Librettist
- 74° North
- Peter Davidson
- 8th Door
- Matthew Lenton
- 8th Door
- Lliam Paterson
- Acis and Galatea
- John Gay
- Adelaide di Borgogna
- Giovanni Schmidt
- Admeto
- Nicola Francesco Haym
- Adriana Lecouvreur
- Arturo Colautti
- Adventures of Mr Brouček
- Leoš Janáček
- Adventures of Pinocchio
- Alasdair Middleton
- Africaine
- Eugène Scribe
- Agrippina
- Vincenzo Grimani
- Aïda
- Antonio Ghislanzoni
- Ainadamar
- David Henry Hwang
- Albert Herring
- Eric Crozier
- Alceste
- Philippe Quinault
- Alcestis
- Raniero da Calzabigi
- Alcestis
- M F L G Leblanc du Roullet
- Alcina
- Antonio Marchi
- Aleko
- Vladimir Nemirovich-Danchenko
- Alexander Nevsky
- Vladimir Lugovskoy
- Alfonso und Estrella
- Franz von Schober
- Alkestis
- Rutland Boughton
- Amadigi
- Nicola Francesco Haym
- Amahl and the Night Visitors
- Gian Carlo Menotti
- Amber Witch
- Henry F Chorley
- American Lulu
- Olga Neuwirth
- American Lulu
- Helga Utz
- Amico Fritz
- Nicola Diaspuro
- Amour Masqué
- Sacha Guitry
- Anacréon
- Pierre-Joseph Bernard
- Anamchara
- Alexander McCall Smith
- Andrea Chénier
- Luigi Illica
- Angelus
- Wilfrid Thornely
- Aniara
- Erik Johan Lindegren
- Anima del Filosofo, ossia Orfeo ed Euridice
- Carlo Francesco Badini
- Anna Bolena
- Felice Romani
- Anthropocene
- Louise Welsh
- Apostles
- Edward Elgar
- Arcadians
- Mark Ambient
- Arcadians
- Alexander M Thompson
- Arcadians
- Arthur Wimperis
- Ariadne auf Naxos
- Hugo von Hofmannsthal
- Ariodante
- Antonio Salvi
- Arlecchino
- Ferruccio Busoni
- Armida
- Giovanni Schmidt
- Armide
- Philippe Quinault
- Artaxerxes
- Thomas Arne
- Assassin Tree
- Simon Armitage
- At the Boar's Head
- Gustav Holst
- Athalia
- Samuel Humphreys
- Atlántida
- Manuel de Falla
- Attack on the Mill
- Louis Gallet
- Attila
- Temistocle Solera
- Attila
- Francesco Maria Piave
- Avventura di Scaramuccia
- Felice Romani
- Ballo delle ingrate
- Ottavio Rinuccini
- Ballo in maschera
- Antonio Somma
- Barbe-bleue
- Henri Meilhac
- Barbe-bleue
- Ludovic Halévy
- Barber of Baghdad
- Peter Cornelius
- Barber of Seville
- Cesare Sterbini
- Bartered Bride
- Karel Sabina
- Bastien und Bastienne
- Friedrich Wilhelm Weiskern
- Bastien und Bastienne
- Johann Heinrich Muller
- Bastien und Bastienne
- Johann Andreas Schachtner
- Bear
- Paul Dehn
- Beatrice and Benedick
- Hector Berlioz
- Beauty Stone
- Arthur Wing Pinero
- Beauty Stone
- J W Comyns Carr
- Beggar Student
- F Zell
- Beggar Student
- Richard Genée
- Belisario
- Salvadore Cammarano
- Belle Hélène
- Henri Meilhac
- Belle Hélène
- Ludovic Halévy
- Belshazzar
- Charles Jennens
- Belshazzar's Feast
- Osbert Sitwell
- Benvenuto Cellini
- Léon de Wailly
- Benvenuto Cellini
- Auguste Barbier
- Betly
- Gaetano Donizetti
- Betrothal in a Monastery (Duenna)
- Sergey Prokofiev
- Betrothal in a Monastery (Duenna)
- Mira Mendelson
- Billee Taylor
- Henry Pottinger Stephens
- Billy Budd
- E M Forster
- Billy Budd
- Eric Crozier
- Bitter Sweet
- Noël Coward
- Black Domino
- Eugène Scribe
- Bliss
- Amanda Holden
- Blood Wedding
- Gyula Illyés
- Boatswain's Mate
- Ethel Smyth
- Bob
- Cunningham Bridgeman.
- Bohème
- Giuseppe Giacosa
- Bohème
- Luigi Illica
- Bohemian Girl
- Alfred Bunn
- Boris Godunov
- Modest Musorgsky
- Boulevard Solitude
- Grete Weil
- Breaking the Waves
- Royce Vavrek
- Breathe Freely
- Julian Wagstaff
- Briséïs
- Ephraïm Mikaël
- Briséïs
- Catulle Mendès
- Bronwen
- Thomas Ellis
- Brother and Sister
- Mr Dimond
- Cadi
- Thomas Sauvage
- Calisto
- Giovanni Faustini
- Campanello di notte
- Gaetano Donizetti
- Candide
- Lillian Hellman
- Candide
- Hugh Wheeler
- Candide
- Richard Wilbur
- Candide
- John Latouche
- Candide
- Dorothy Parker
- Candide
- Leonard Bernstein
- Candide
- Stephen Sondheim
- Capriccio
- Clemens Krauss
- Capriccio
- Richard Strauss
- Capuleti e i Montecchi
- Felice Romani
- Carmen
- Henri Meilhac
- Carmen
- Ludovic Halévy
- Carousel
- Oscar Hammerstein II
- Castor et Pollux
- Pierre-Joseph Bernard
- Catiline Conspiracy
- Iain Hamilton
- Cavalleria Rusticana
- Giovanni Targioni-Tozzetti
- Cavalleria Rusticana
- Guido Menasci
- Cendrillon
- Henri Cain
- Cenerentola
- Jacopo Ferretti
- Chalet
- Eugène Scribe
- Chalet
- Anne-Honoré-Joseph Mélesville
- Chant des Chemins de Fer
- Jules Janin
- Child of Our Time
- Michael Tippett
- Christmas Eve
- Nikolay Rimsky-Korsakov
- Christus am Olberge
- Franz Xaver Huber
- Chulapona
- Federico Romero
- Chulapona
- Guillermo Fernández Shaw
- Cid
- Adolphe-Philippe d' Ennery
- Cid
- Louis Gallet
- Cid
- Edouard Blau
- Claude Duval
- Henry Pottinger Stephens
- Clemency
- Michael Symmons Roberts
- Clemenza di Tito
- Caterino Mazzolà
- Cloches de Corneville
- Louis François Nicolaie - 'Clairville'
- Cloches de Corneville
- Charles Gabet
- Coffee Cantata
- C F Henrici 'Picander'
- Colomba
- Francis Hueffer
- Combattimento di Tancredi e Clorinda
- Torquato Tasso
- Confessions of a Justified Sinner
- John Currie
- Consul
- Gian Carlo Menotti
- Coronation of Poppea
- Giovanni Francesco Busenello
- Cosa Rara
- Lorenzo da Ponte
- Così fan tutte
- Lorenzo da Ponte
- Count of Luxembourg
- Alfred Maria Willner
- Count of Luxembourg
- Robert Bodansky
- Count Ory
- Eugène Scribe
- Count Ory
- Charles Delestre-Poirson
- Cox and Box
- Francis Burnand
- Creation
- Gottfried van Swieten
- Crown Diamonds
- Eugène Scribe
- Crown Diamonds
- Jules-Henri Vernoy de St Georges
- Cunning Little Vixen
- Leoš Janáček
- Cupboard Love
- D F Aitken
- Curlew River
- William Plomer
- Dalibor
- Ervin Špindler
- Dalibor
- Josef Wenzig
- Damnation of Faust
- Almire Gandonnière
- Damnation of Faust
- Hector Berlioz
- Dante and Beatrice
- Mr W J Miller
- Daphne
- Josef Gregor
- David et Jonathas
- François de Paule Bretonneau
- David Garrick
- Reginald Somerville
- Day After
- April De Angelis
- Dead Man Walking
- Terrence McNally
- Death in Venice
- Myfanwy Piper
- Death of a Scientist
- Zinnie Harris
- Death of Klinghoffer
- Alice Goodman
- Demimondaine
- James Kenon Mitchell
- Devil Inside
- Louise Welsh
- Devils of Loudun
- Krzysztof Penderecki
- Dialogues des Carmélites
- Francis Poulenc
- Diarmid
- John George Campbell
- Diary of One Who Disappeared
- Leoš Janáček
- Dido and Aeneas
- Nahum Tate
- Dinner Engagement
- Paul Dehn
- Dinorah
- Jules Barbier
- Dinorah
- Michel Carré
- Djamileh
- Louis Gallet
- Doctor Miracle
- Léon Battu
- Doctor Miracle
- Ludovic Halévy
- Dollar Princess
- Alfred Maria Willner
- Dollar Princess
- Franz Grünbaum
- Don Carlos
- Joseph Méry
- Don Carlos
- Camille du Locle
- Don Giovanni
- Lorenzo da Ponte
- Don Pasquale
- Giovanni Ruffini
- Don Pasquale
- Gaetano Donizetti
- Don Procopio
- Carlo Cambiaggio
- Don Procopio
- Paul de Choudens
- Don Procopio
- Paul Collin
- Don Quichotte
- Henri Cain
- Donna del Lago
- Andrea Leone Tottola
- Down in the Valley
- Arnold Sundgaard
- Dr Quimpugh's Compendium of Peculiar Afflictions
- Phil Porter
- Dream of Gerontius
- Edward Elgar
- Drei Pintos
- Theodor Hell
- Due Foscari
- Francesco Maria Piave
- Duke Bluebeard's Castle
- Béla Balázs
- Edgar
- Ferdinando Fontana
- Egisto
- Giovanni Faustini
- Elegy for Young Lovers
- W H Auden
- Elegy for Young Lovers
- Chester Kallman
- Elektra
- Hugo von Hofmannsthal
- Elephant Angel
- Bernard MacLaverty
- Elijah
- Julius Schubring
- Elisabetta, Regina d’Inghilterra
- Giovanni Schmidt
- Elixir of Love
- Felice Romani
- Enfance du Christ
- Hector Berlioz
- Enfant et les sortilèges
- Sidonie Gabrielle Colette
- Enfant Prodigue
- Édouard Guinand
- English Cat
- Edward Bond
- Ernani
- Francesco Maria Piave
- Erwartung
- Marie Pappenheim
- Esmeralda
- Theophile Marzials
- Esmeralda
- Alberto Randegger
- Ethelinda
- Augustus E Jessup
- Étoile
- Eugène Leterrier
- Étoile
- Albert Vanloo
- Eugene Onegin
- Pyotr Ilyich Tchaikovsky
- Eugene Onegin
- Konstantin Shilovsky
- Euryanthe
- Helmina von Chezy
- Eve of St John
- Eleanor Farjeon
- Fadette
- Joseph Philippe Lockroy
- Fadette
- Eugène Cormon
- Fair Maid of Perth
- Jules-Henri Vernoy de St Georges
- Fair Maid of Perth
- Jules Adenis
- Faithful Warrior
- Karl Theodor Körner
- Falka
- Eugène Leterrier
- Falka
- Albert Vanloo
- Falstaff
- Arrigo Boito
- Fanatico per la musica
- Gaetano Rossi
- Fanny Robin
- Edward Harper
- Fantastic Mr Fox
- Donald Sturrock
- Faust
- Jules Barbier
- Faust
- Michel Carré
- Favorite
- Alphonse Royer
- Favorite
- Gustave Vaëz
- Favorite
- Eugène Scribe
- Feast in Time of Plague
- Alexander Pushkin
- Fennimore and Gerda
- Frederick Delius
- Fête Galante
- Edward Shanks
- Fidelio
- Josef Sonnleithner
- Fidelio
- Friedrich Treitschke
- Fiery Angel
- Sergey Prokofiev
- Fille de Madame Angot
- Paul Siraudin
- Fille de Madame Angot
- Victor Koning
- Fille de Madame Angot
- Louis François Nicolaie - 'Clairville'
- Fille du Régiment
- Jean François Bayard
- Fille du Régiment
- Jules-Henri Vernoy de St Georges
- Fledermaus
- Carl Haffner
- Fledermaus
- Richard Genée
- Flight
- April De Angelis
- Florentine Tragedy
- Max Meyerfeld
- Flying Dutchman
- Richard Wagner
- Forza del Destino
- Francesco Maria Piave
- Forza del Destino
- Antonio Ghislanzoni
- Fra Diavolo
- Eugène Scribe
- Francesca da Rimini
- Modest Tchaikovsky
- Francesca da Rimini (2)
- Tito Ricordi
- Frau ohne Schatten
- Hugo von Hofmannsthal
- Freischütz
- Friedrich Kind
- Freunde von Salamanka
- Johann Mayrhofer
- Friend of the People
- Robert Maclennan
- From the House of the Dead
- Leoš Janáček
- Full Circle
- Sydney Goodsir Smith
- Gaiety Girl
- Harry Greenbank
- Gaiety Girl
- Owen Hall
- Galathée
- Jules Barbier
- Galathée
- Michel Carré
- Gambler
- Sergey Prokofiev
- Garden
- Zinnie Harris
- Geisha
- Owen Hall
- Geisha
- Harry Greenbank
- Geneviève de Brabant
- Adolphe Jaime
- Geneviève de Brabant
- Etienne Tréfeu
- Geneviève de Brabant
- Hector Crémieux
- Genoveva
- Robert Reinick
- Genoveva
- Robert Schumann
- Gentle Shepherd
- Allan Ramsay
- Gentleman's Island
- Gordon Snell
- Ghost Patrol
- Louise Welsh
- Gianni Schicchi
- Giovacchino Forzano
- Gioconda
- Arrigo Boito
- Giovanna d'Arco
- Temistocle Solera
- Gipsy Baron
- Ignaz Schnitzer
- Gipsy Love
- Alfred Maria Willner
- Gipsy Love
- Robert Bodansky
- Gipsy Princess
- Leo Stein
- Gipsy Princess
- Béla Jenbach
- Girl Crazy
- Guy Bolton
- Girl Crazy
- John McGowan
- Girl Crazy
- Ira Gershwin
- Girl of the Golden West
- Guelfo Civinini
- Girl of the Golden West
- Carlo Zangarini
- Giulio Cesare in Egitto
- Nicola Francesco Haym
- Gloriana
- William Plomer
- Golden Cockerel
- Vladimir Ivanovich Bel'sky
- Golden Legend
- Joseph Bennett
- Golden Web
- Frederick Corder
- Golden Web
- Mr B C Stephenson
- Goldsmith of Toledo
- Karl Georg Zwerenz
- Gondoliers
- William S Gilbert
- Grand Duchess of Gérolstein
- Henri Meilhac
- Grand Duchess of Gérolstein
- Ludovic Halévy
- Grand Duke
- William S Gilbert
- Greek
- Mark-Anthony Turnage
- Greek
- Jonathan Moore
- Greek Passion
- Bohuslav Martinů
- Greek Slave
- Harry Greenbank
- Greek Slave
- Adrian Ross
- Greek Slave
- Owen Hall
- Guillaume Tell
- Etienne de Jouy
- Guillaume Tell
- Hippolyte Bis
- H M S Pinafore
- William S Gilbert
- Haddon Hall
- Sydney Grundy
- Hagar in the Wilderness
- Clara Glynn
- Hamlet
- Jules Barbier
- Hamlet
- Michel Carré
- Hansel and Gretel
- Adelheid Wette
- Happy Story
- Nicholas Bone
- Happy Story
- David Fennessy
- Hedda Gabler
- Edward Harper
- Hello Dolly!
- Michael Stewart
- Hello Dolly!
- Jerry Herman
- Hermiston
- Bill Bryden
- Hérodiade
- Paul Milliet
- Hérodiade
- Georges Hartmann
- Hérodiade
- Angelo Zanardini
- Heure Espagnole
- Franc Nohain
- High Society
- Arthur Kopit
- High Society
- Cole Porter
- High Society
- Susan Birkenhead
- Hippolyte et Aricie
- Simon-Joseph Pellegrin
- Hugh the Drover
- Harold Child
- Huguenots
- Eugène Scribe
- Huguenots
- Emile Deschamps
- Huguenots
- Gaetano Rossi
- I Was Looking at the Ceiling and Then I Saw the Sky
- June Jordan
- Idomeneo, Re di Creta
- Giambattista Varesco
- In the Locked Room
- David Harsent
- In the Penal Colony
- Rudolph Wurlitzer
- In the Sulks
- Frank Desprez
- Indian Queen
- Thomas Betterton
- Inés de Castro
- John Clifford
- Infedeltà delusa
- Marco Coltellini
- Inganno felice
- Giuseppe Foppa
- Intermezzo
- Richard Strauss
- Iolanta
- Modest Tchaikovsky
- Iolanthe
- William S Gilbert
- Iphigénie en Tauride
- Nicolas François Guillard
- Iris
- Luigi Illica
- Isola disabitata
- Pietro Metastasio
- Italian Girl in Algiers
- Angelo Anelli
- Ivanhoe
- Julian Sturgis
- Jacobin
- Marie Červinková-Riegrová
- Jan Tait and the Bear
- Emily Doolittle
- Jan Tait and the Bear
- Peter Guy
- Jeanie Deans
- Joseph Bennett
- Jenůfa
- Leoš Janáček
- Jephtha
- Thomas Morell
- Jewels of the Madonna
- Enrico Golisciani
- Jewels of the Madonna
- Carlo Zangarini
- John Socman
- William Lloyd
- Judas Maccabaeus
- Thomas Morell
- Judgment of Paris
- William Congreve
- Juha
- Aïno Ackté-Jalander
- Juive
- Eugène Scribe
- Julietta
- Bohuslav Martinů
- Kashchey the Immortal
- Nikolay Rimsky-Korsakov
- Kaspar Hauser - Child of Europe
- Dilys Rose
- Kátya Kabanová
- Leoš Janáček
- Khovanshchina
- Modest Musorgsky
- Khovanshchina
- Vladimir Stassov
- King Arthur
- John Dryden
- King Arthur 2
- James Smieton
- King Olaf
- H A Acworth
- King Priam
- Michael Tippett
- King Roger
- Jaroslav Iwaszkiewicz
- King Roger
- Karol Szymanowski
- Kingdom
- Edward Elgar
- Kiss
- Eliška Krásnohorská
- Kiss Me, Kate
- Samuel Spewack
- Kiss Me, Kate
- Bella Spewack
- Kiss Me, Kate
- Cole Porter
- Knot Garden
- Michael Tippett
- Lady from the Sea
- Zoë Strachan
- Lady in the Dark
- Ira Gershwin
- Lady in the Dark
- Moss Hart
- Lady in White
- Eugène Scribe
- Lady, Be Good!
- Guy Bolton
- Lady, Be Good!
- Fred Thompson
- Lady, Be Good!
- Ira Gershwin
- Lakmé
- Edmond Gondinet
- Lakmé
- Philippe Gille
- Land of Smiles
- Ludwig Herzer
- Land of Smiles
- Fritz Beda-Lohner
- Last Supper
- Robin Blaser
- Legend of the Invisible City of Kitezh
- Vladimir Ivanovich Bel'sky
- Leper's Flute
- Ian Colvin
- Letter
- Bernard MacLaverty
- Letters of a Love Betrayed
- Donald Sturrock
- Libuše
- Ervin Špindler
- Libuše
- Josef Wenzig
- Life with an Idiot
- Victor Erofeyev
- Light of the World
- Arthur Sullivan
- Light of the World
- George Grove
- Lighthouse
- Peter Maxwell Davies
- Lightning-Rod Man
- Amy Parker
- Lily of Killarney
- John Oxenford
- Lily of Killarney
- Dion Boucicault
- Linda di Chamounix
- Gaetano Rossi
- Little Night Music
- Hugh Wheeler
- Little Night Music
- Stephen Sondheim
- Little Sweep
- Eric Crozier
- Livietta e Tracollo
- Tommaso Mariani
- Lohengrin
- Richard Wagner
- Louise
- Gustave Charpentier
- Love for Three Oranges
- Sergey Prokofiev
- Lucia di Lammermoor
- Salvadore Cammarano
- Lucio Silla
- Giovanni da Gamerra
- Lucrezia Borgia
- Felice Romani
- Luisa Miller
- Salvadore Cammarano
- Lulu
- Alban Berg
- Lurline
- Edward Fitzball
- Macbeth
- Francesco Maria Piave
- Madama Butterfly
- Giuseppe Giacosa
- Madama Butterfly
- Luigi Illica
- Madame Favart
- Henri Chivot
- Madame Favart
- Alfred Duru
- Madame L'Archiduc
- Henri Meilhac
- Madame L'Archiduc
- Ludovic Halévy
- Madame L'Archiduc
- Albert Millaud
- Magic Flute
- Emanuel Schikaneder
- Magic Fountain
- Frederick Delius
- Mahagonny
- Bertolt Brecht
- Maid Marian
- Nancy Campbell
- Maid of Orleans
- Pyotr Ilyich Tchaikovsky
- Maiden in the Tower
- Rafael Hertzberg
- Maître Seiler
- Sheridan Ross
- Makropulos Affair
- Leoš Janáček
- Malheurs d'Orphée
- Armand Lunel
- Mamelles de Tirésias
- Francis Poulenc
- Manon
- Henri Meilhac
- Manon
- Philippe Gille
- Manon Lescaut
- Marco Praga
- Manon Lescaut
- Domenico Oliva
- Manon Lescaut
- Giuseppe Giacosa
- Manon Lescaut
- Luigi Illica
- Manon Lescaut
- Giulio Ricordi
- Manon Lescaut
- Giacomo Puccini
- Mansfield Park
- Alasdair Middleton
- Maritana
- Edward Fitzball
- Marriage
- Nikolay Gogol
- Marriage Contract
- Gaetano Rossi
- Marriage of Figaro
- Lorenzo da Ponte
- Martha
- W Friedrich
- Martyr of Antioch
- Henry Hart Milman
- Martyr of Antioch
- William S Gilbert
- Marx in London!
- Charles Hart
- Mary Stuart
- Giuseppe Bardari
- Mary, Queen of Scots
- Thea Musgrave
- Masaniello
- Eugène Scribe
- Masaniello
- Germain Delavigne
- Masnadieri
- Andrea Maffei
- Mass of Life
- Frederick Delius
- Matthew Passion
- C F Henrici 'Picander'
- Mavra
- Boris Kochno
- Mazeppa
- Pyotr Ilyich Tchaikovsky
- Mazeppa
- Victor Burenin
- Medium
- Gian Carlo Menotti
- Mefistofele
- Arrigo Boito
- Meistersinger von Nürnberg
- Richard Wagner
- Melusine
- Claus H Henneberg
- Merrie England
- Basil Hood
- Merry Widow
- Victor Léon
- Merry Widow
- Leo Stein
- Merry Wives of Windsor
- Salomon Mosenthal
- Messalina
- Paul Armand Silvestre
- Messalina
- Eugène Morand
- Midsummer Marriage
- Michael Tippett
- Midsummer Night's Dream
- Benjamin Britten
- Midsummer Night's Dream
- Peter Pears
- Mignon
- Michel Carré
- Mignon
- Jules Barbier
- Mikado
- William S Gilbert
- Mines of Sulphur
- Beverley Cross
- Minotaur
- Allan Dunn
- Miserly Knight
- Sergey Rachmaninov
- Mlada
- Nikolay Rimsky-Korsakov
- Mock Turtles
- Frank Desprez
- Money Man
- Ron Butlin
- Monster
- Janice Galloway
- Montezuma
- Giampietro Tagliazucchi
- Moscow
- Apollon Maykov
- Moses and Aaron
- Arnold Schoenberg
- Mozart and Salieri
- Alexander Pushkin
- My Fair Lady
- Alan Jay Lerner
- Nadeshda
- Julian Sturgis
- Nautch Girl
- George Dance
- Nautch Girl
- Frank Desprez
- Naval Cadet
- F Zell
- Navarraise
- Jules Claretie
- Navarraise
- Henri Cain
- Navigate The Blood
- Siân Evans
- New Year
- Michael Tippett
- Night at the Chinese Opera
- Judith Weir
- Niño
- John Adams
- Nixon in China
- Alice Goodman
- No Song, No Supper
- Prince Hoare
- Nordisa
- Frederick Corder
- Norma
- Felice Romani
- Nose
- Dmitri Shostakovich
- Oberon
- James Robinson Planché
- Oberto, conte di San Bonifacio
- Antonio Piazza
- Oberto, conte di San Bonifacio
- Temistocle Solera
- Occasione fa il ladro
- Luigi Prividali
- Oedipe
- Edmond Fleg
- Oedipus Rex
- Jean Cocteau
- Oh, Kay!
- Guy Bolton
- Oh, Kay!
- P G Wodehouse
- Oh, Kay!
- Ira Gershwin
- Okavango Macbeth
- Alexander McCall Smith
- Olivette
- Henri Chivot
- Olivette
- Alfred Duru
- Olympians
- J B Priestley
- On the Rim of the World
- Jehanne Markham
- Oprichnik
- Pyotr Ilyich Tchaikovsky
- Oracolo
- Camillo Zanoni
- Orfeo
- Alessandro Striggio
- Orione
- Francesco Melosio
- Orlando
- Carlo Sigismondo Capeci
- Orlando furioso
- Grazio Braccioli
- Orlando paladino
- Nunziato Porta
- Orpheus and Euridice
- Raniero da Calzabigi
- Orpheus and Euridice
- Pierre Louis Moline
- Orpheus in the Underworld
- Hector Crémieux
- Orpheus in the Underworld
- Ludovic Halévy
- Otello
- Arrigo Boito
- Othello
- Francesco Berio di Salsa
- Owen Wingrave
- Myfanwy Piper
- Pagliacci
- Ruggero Leoncavallo
- Paradis Files
- Nicola Werenowska
- Parsifal
- Richard Wagner
- Partenope
- Silvio Stampiglia
- Pastor Fido
- Giacomo Rossi
- Patience
- William S Gilbert
- Paul Bunyan
- W H Auden
- Paul Jones
- Henri Chivot
- Paul Jones
- Alfred Duru
- Paul Jones
- Henry Farnie
- Pauline
- Henry Hersee
- Pauvre Matelot
- Jean Cocteau
- Pearl Fishers
- Eugène Cormon
- Pearl Fishers
- Michel Carré
- Peleus and Thetis
- George Granville
- Pelléas et Mélisande
- Maurice Maeterlinck
- Pénélope
- René Fauchois
- Perfect Fool
- Gustav Holst
- Périchole
- Henri Meilhac
- Périchole
- Ludovic Halévy
- Pescatrici
- Carlo Goldoni
- Peter Grimes
- Montagu Slater
- Petite Mademoiselle
- Henri Meilhac
- Petite Mademoiselle
- Ludovic Halévy
- Piccolino
- Victorien Sardou
- Piccolino
- Charles Nuitter
- Pierrot Lunaire
- Albert Giraud
- Pietra del paragone
- Luigi Romanelli
- Pilgrim's Progress
- Ralph Vaughan Williams
- Pimpinone
- Johann Philipp Praetorius
- Pirates of Penzance
- William S Gilbert
- Platée
- Adrien-Joseph Le Valois d' Orville
- Platypus in Boots
- Martin O'Connor
- Poet's Dream
- Adolphe de Leuven
- Poet's Dream
- Joseph Bernard Rosier
- Porgy and Bess
- DuBose Heyward
- Porgy and Bess
- Ira Gershwin
- Poro, re dell' Indie
- Pietro Metastasio
- Postilion of Longjumeau
- Adolphe de Leuven
- Postilion of Longjumeau
- Léon-Lévy Brunswick
- Postman Always Rings Twice
- Colin Graham
- Prigione di Edimburgo
- Gaetano Rossi
- Prigioniero
- Luigi Dallapiccola
- Prima la musica e poi le parole
- Giambattista Casti
- Prince Ferelon
- Nicholas Comyn Gatty
- Prince Igor
- Alexander Porfirievich Borodin
- Princess Ida
- William S Gilbert
- Princess of Trébizonde
- Charles Nuitter
- Princess of Trébizonde
- Etienne Tréfeu
- Private Wire
- Arnold Felix
- Private Wire
- Frank Desprez
- Promessi Sposi
- Emilio Praga
- Prophète
- Eugène Scribe
- Punch and Judy
- Stephen Pruslin
- Puritan's Daughter
- John Vipon Bridgeman
- Puritani
- Carlo Pepoli
- Queen of Sheba
- Salomon Mosenthal
- Queen of Spades
- Modest Tchaikovsky
- Rake's Progress
- W H Auden
- Rake's Progress
- Chester Kallman
- Rantzau
- Giovanni Targioni-Tozzetti
- Rantzau
- Guido Menasci
- Rape of Lucretia
- Ronald Duncan
- Rappresentatione di Anima e di Corpo
- Agostino Manni
- Regina
- Marc Blitzstein
- Remembrance Day
- Louise Welsh
- Renard
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- Resurrection
- Ján Cikker
- Rhinegold
- Richard Wagner
- Riders to the Sea
- John Millington Synge
- Rienzi
- Richard Wagner
- Rigoletto
- Francesco Maria Piave
- Rinaldo
- Giacomo Rossi
- Rip Van Winkle
- Henry Farnie
- Ritorno d'Ulisse in Patria
- Giacomo Badoaro
- Robert le Diable
- Eugène Scribe
- Robert le Diable
- Germain Delavigne
- Robin Hood
- John Oxenford
- Rodelinda
- Nicola Francesco Haym
- Roi Arthus
- Ernest Chausson
- Roi d'Ys
- Edouard Blau
- Roi malgré lui
- Emile de Najac
- Roi malgré lui
- Paul Burani
- Roi malgré lui
- Emmanuel Chabrier
- Roméo et Juliette
- Jules Barbier
- Roméo et Juliette
- Michel Carré
- Roméo et Juliette Dramatic Symphony
- Emile Deschamps
- Rondine
- Giuseppe Adami
- Rose of Castille
- Augustus Glossop Harris
- Rose of Castille
- Edmund Falconer
- Rose of Persia
- Basil Hood
- Rosenkavalier
- Hugo von Hofmannsthal
- Rosina
- Francis Moore Brooke
- Rothschild's Violin
- Veniamin Fleishman
- Ruddigore
- William S Gilbert
- Rusalka
- Jaroslav Kvapil
- Ruslan and Lyudmila
- Valerian Shirkov
- Ruy Blas
- Carlo d' Ormeville
- Sadko
- Nikolay Rimsky-Korsakov
- Sadko
- Vladimir Ivanovich Bel'sky
- Saint François d' Assise
- Olivier Messiaen
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- Gian Carlo Menotti
- Salammbô
- Modest Musorgsky
- Salome
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- Samson
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- Ferdinand Lemaire
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- Satanella
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- Satanella
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- Satyagraha
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- Charles Jennens
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- Scala di seta
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- Ralph Vaughan Williams
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- Seasons
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- Giovanni Bertati
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- Enrico Golisciani
- Semele
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- Seraglio
- Gottlieb Stephanie
- Serf
- William Lloyd
- Serse
- Silvio Stampiglia
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- Gennarantonio Federico
- Sette Canzoni
- Gian Francesco Malipiero
- Seven Deadly Sins
- Bertolt Brecht
- Shop Girl
- H J W Dam
- Shop Girl
- Adrian Ross
- Show Boat
- Oscar Hammerstein II
- Siege of Calais
- Salvadore Cammarano
- Siege of Rochelle
- Edward Fitzball
- Siegfried
- Richard Wagner
- Signor Bruschino
- Giuseppe Foppa
- Silvano
- Giovanni Targioni-Tozzetti
- Simon Boccanegra
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- Simon Boccanegra
- Arrigo Boito
- Simoon
- Erik Chisholm
- Sir John in Love
- Ralph Vaughan Williams
- Sloans Project
- David Brock
- Snow Maiden
- Nikolay Rimsky-Korsakov
- Soldaten
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- Soldier's Tale
- Charles Ferdinand Ramuz
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- Song of Hiawatha
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- Hans Bethge
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- Karl Michael von Levetzow
- Sonnambula
- Felice Romani
- Sorcerer
- William S Gilbert
- Sorochintsy Fair
- Modest Musorgsky
- Star of the North
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- Stella Maris
- Henry Revers
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- W Friedrich
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- Street Scene
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- Langston Hughes
- Sublimation
- Zoë Strachan
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- Giovacchino Forzano
- Sweeney Todd
- Hugh Wheeler
- Sweeney Todd
- Stephen Sondheim
- Symphony no9 'Choral'
- Friedrich von Schiller
- Tales of Hoffmann
- Michel Carré
- Tales of Hoffmann
- Jules Barbier
- Talisman
- Arthur Matthison
- Tamerlano
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- Taming of the Shrew
- Joseph Widmann
- Taming of the Shrew
- Hermann Götz
- Tancredi
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- Tancredi
- Luigi Lechi
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- Richard Wagner
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- Tempest
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- Jules Claretie
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- Giovanni Gherardini
- Three Decembers
- Gene Scheer
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- Claus H Henneberg
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- Giuseppe Giacosa
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- Luigi Illica
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- Francesco Maria Piave
- Trial by Jury
- William S Gilbert
- Tristan and Isolde
- Richard Wagner
- Triumph of Time and Truth
- Thomas Morell
- Troilus and Cressida
- Christopher Hassall
- Trouble in Tahiti
- Leonard Bernstein
- Trovatore
- Salvadore Cammarano
- Trovatore
- Leone Emanuele Bardare
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- Tsar has his Photograph Taken
- Georg Kaiser
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- Giuseppe Adami
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- Turing Test
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- Turn of the Screw
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- Twilight of the Gods
- Richard Wagner
- Two Widows
- Emanuel Züngel
- Undertaker
- John Purser
- Uthal
- Jacques Benjamin Saint-Victor
- Utopia, Limited
- William S Gilbert
- Vanishing Bridegroom
- Judith Weir
- Vêpres siciliennes
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- Verbena de la Paloma
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- Véronique
- Georges Duval
- Vicar of Bray
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- Vida breve
- Carlos Fernández Shaw
- Vie Parisienne
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- Vie Parisienne
- Ludovic Halévy
- Villi
- Ferdinando Fontana
- Vin herbé
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- Violins of Saint-Jacques
- William Chappell
- Vivandière
- Henri Cain
- Voice of Ariadne
- Amalia Elguera
- Voix Humaine
- Jean Cocteau
- Volo di notte
- Luigi Dallapiccola
- Wally
- Luigi Illica
- War and Peace
- Mira Mendelson
- War and Peace
- Sergey Prokofiev
- Water Carrier
- Jean-Nicolas Bouilly
- Waterman
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- Weird of Colbar
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- Werther
- Edouard Blau
- Werther
- Paul Milliet
- Werther
- Georges Hartmann
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- Whirlpool
- Eugen Suchoň
- Whirlpool
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- Wiener Blut
- Leo Stein
- Wildschütz
- Albert Lortzing
- Wozzeck
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- Wreckers
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- Yeomen of the Guard
- William S Gilbert
- Zaide
- Johann Andreas Schachtner
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- Zanetto
- Giovanni Targioni-Tozzetti
- Zanetto
- Guido Menasci
- Zelmira
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- Zen Story
- Alan Spence
- Zingari
- Enrico Cavacchioli
- Zingari
- Guglielmo Emanuel
- Zoroastre
- Louis de Cahusac
- Zwerg
- Georg C Klaren