| Title | Perusal Material Held | Rights Holder |
| 1 Do, I Do | Score & Script | Hal Leonard |
| If I Were a Princess | Score & Script | |
| If the Cap Fits | Score only | |
| II Trovatore (opera) | Score only | Out of Copyright |
| Into the Woods | Score & Script | Hal Leonard |
| Iolanthe (G & S) | Score & Script | Out of Copyright |
| Irene | Score only | Tams-Witmark |
| Irma La Douce | Script only | Play Bureau |
| Title | Perusal Material Held | Rights Holder |
| Jack & the Beanstalk (Prince St Players) | Score & Script | Hal Leonard |
| Jack & the Beanstalk (John Crocker Panto) | Score & Script | Play Bureau |
| Jack & the Beanstalk (Peter Denyer) | Script | David Spicer |
| Jack & the Beanstalk (Paul Alexander) | Script (Jasper) | David Spicer |
| Jack Spratt VC | Score/Script/Cass. | Hal Leonard |
| Jack the Ripper | Score & Script | Play Bureau |
| Jacques Brel is Alive & Well | Score/Script | Hal Leonard |
| Jasper Scripts Catalogue 2002 | Catalogue only | David Spicer |
| Jesus Christ Superstar | Vocal Score & Script | Origin Theatrical |
| Jewel of the Madonna (opera) | Score only | |
| Jolly Roger | Score & Script | |
| Jorrocks | Score & Script | Origin Theatrical |
| Joseph and the Amazing Technicolor | ||
| Dreamcoat | Score & Script | Origin Theatrical |
| Julius Caesar Jones (opera for children) | Score only | |
| Title | Perusal Material Held | Rights Holder |
| Kamaldar | Score & Script | |
| Katinka | Score & Script | Origin Theatrical |
| The King & I | Score & Script, CD highlights | Origin Theatrical |
| King of Cadonia | Score only | |
| The King's Minstrel | Score only | |
| King's Rhapsody | Score & Script | PlayBureau |
| Kismet | Score & Script, CD | Origin Theatrical |
| Kiss Me Kate | Score & Script | Tams/Witmark |
| Kissing Time | Score only | |
| Kitcheus | Script & Cassette | PLO Productions |
| Title | Perusal Material Held | Rights Holder |
| La Belie Helene | Score & Script | Origin Theatrical |
| La Cage Aux Folles | Script only | Samuel French |
| La Boheme (opera) | Score & Script | Out of copyright |
| La Mascotte | Script only | |
| La Perichole | Score & Script | Origin Theatrical |
| La Vie Parisienne | Score & Script | Origin Theatrical |
| Ladies' Night | Script | Playmarket |
| Lady Godiva - Judith Prior | Script | David Spicer |
| The Last Resort - Judith Prior | Script | David Spicer |
| Land of Smiles | Score & Script/CD | Origin Theatrical |
| Leader of the Pack | Script | Dominie |
| Let'em EatCake | Score & Script | Hal Leonard |
| Les Miserables | Script | Hal Leonard |
| Li'l Abner | Score & Script | Tams-Witmark |
| Lilac Domino | Score & Script | Origin Theatrical |
| Lilac Time | Score & Script | Origin Theatrical |
| The Lion,the Witch & the Wardrobe | Score & Script | Origin Theatrical |
| Lisa | Score & Script | Origin Theatrical |
| Lisbon Story | Score & Script | Origin Theatrical |
| Listen to the Wind | Score only | Play Bureau |
| Little Dutch Girl | Score & Script | Out of Copyright |
| Little Mary Sunshine | Score & Script | Play Bureau |
| A Little Night Music | Score & Script | Hal Leonard |
| Little Shop of Horrors | Script only | Hal Leonard |
| The Little Tin Soldier (Peter N Pinne) | Script & Score/CD | David Spicer |
| Little Women | Score & Script | |
| Lock Up Your Daughters | Score & Scnpt | Play Bureau |
| Lord of Ravenscourt | Score & Script | |
| Lost in the Stars | Score only | Origin Theatrical |
| Love at the Inn | Score & Script | |
| Love From Judy | Score & Script | Origin Theatrical |
| Love Off the Shelf | Score & Script | Playmarket |
| Lucky Stiff | Score & Script | Hal Leonard |
| Title | Perusal Material Held | Rights Holder |
| Mack & Mabel | Script only | Dominie |
| Madam Angot | Score & Script | |
| Madam Butterfly (opera) | Score & Script | |
| The Magic Flute (opera) | Score & Script | |
| Maggie May | Score & Script | Origin Theatrical |
| Magya Melody | Score & Script | Play Bureau |
| Maid of the Mountains | Score & Script | Origin Theatrical |
| Make me an Offer | Score & Script | Play Bureau |
| Mame | Score only | Tams-Witmark |
| Mamma Mia | Vocal highlights | N/A |
| The Man From Tuscany | Script only | |
| The Man in the Street | Score & Script | Play Bureau |
| A Man of No Importance | Libretto/Vocal | Hal Leonard |
| Man of La Mancha | Score & Script | Origin Theatrical |
| Marama | Script only | |
| Marie Christine | Script and Score | Origin Theatrical |
| Maritza | Score & Script | Origin Theatrical |
| The Marriage Market | Score only | |
| Marriage of Figaro | Score & Script | |
| Marry Me a Little | Score & Script | Hal Leonard |
| Masquerade | Score only | Play Bureau |
| The Matchgirls | Score & Script | Play Bureau |
| Me & Juliet | Score & Script | Origin Theatrical |
| Me & My Girl (revised version) | Score & Script, CD | Play Bureau |
| Merrie England (Arundell version) | Score & Script | Origin Theatrical |
| Merrily We Roll Along | Score & Script | Hal Leonard |
| The Merry Widow (Phil Park version) | Score & Script, CD | Origin Theatrical |
| The Merry Widow From Bluegum Creek | Score & Script | David Spicer. |
| The Messiah (Handel-oratorio) | Score only | |
| The Mikado (Gilbert & Sullivan) | Score & Script | Out of Copyright |
| The Mikado (Essgee's) | Script & Video | David Spicer. |
| Mirette | Score & Script | Hal Leonard |
| Miss Hook of Holland | Score & Script | |
| Morgan | Score & Script | |
| The Most Happy Fella | Score & Script | Hal Leonard |
| Mother Goose (John Crocker Panto) | Score & Script | Play Bureau |
| Mother Goose (Peter Denyer) | Script | David Spicer |
| Mother Goose (Jim Sperinck) | Script (Jasper) | David Spicer |
| Mother Goose's Golden Christmas | Score & Script | Play Bureau |
| Moulin Rouge | Score & Script | Play Bureau |
| Mr Cinders | Score & Script, CD | Origin Theatrical |
| Much Ado (Bernard Taylor) | CD & Script | David Spicer. |
| Murder at the Music Hall | Script | Peepshow Prod. |
| The Murder of Maria Marten | Score & Script | Play Bureau |
| Music in the Air | Score & Script | Origin Theatrical |
| The Music Man | Score & Script | Origin Theatrical |
| My Fair Lady | Score & Script, CD | Tams-Witmark |
| My Favourite Year | Score & Script | Hal Leonard |
| My Lady Molly | Score only | |
| My Poll & My Partner Joe | Script only | Play Bureau |
| Title | Perusal Material Held | Rights Holder |
| Naughty Marietta | Score & Script | Origin Theatrical |
| Nautical Knot | Score & Script | |
| New Girl in Town | Script only | Hal Leonard |
| New Moon | Score & Script | Origin Theatrical |
| Night in Venice | Score & Script | |
| Nina Rosa | Score & Script | |
| The No Frills Revue | Score & Script | Hal Leonard |
| No,No,Nanette | Score & Script | Tams-Witmark |
| No Strings | Score/Script | Origin Theatrical |
| Not in Front of the Waiter | Score only | |
| Nosferatu The Vampire | CD | David Spicer. |
| Nunsense | Script, CD | Dominie |
| Title | Perusal Material Held | Rights Holder |
| Ocean World | Cassette & Score | Origin Theatrical |
| Of Thee I Sing | Score & Script | Hal Leonard |
| Oh Coward! (Noel Coward Revue) | Score & Script | Hal Leonard |
| Oh Susannah | Score 8 Script | Samuel French |
| Oh, What a Lovely War | Script only | Play Bureau |
| Oil City Symphony (revue) | Script/Cassette | Hal Leonard |
| Oklahoma! | Score & Script | Origin Theatrical |
| Old Chelsea | Score & Script | Play Bureau |
| Oliver | Score & Script | Tams-Whitmark |
| Once On This Island | Highlights vocal score | Hal Leonard |
| Operette (Noel Coward) | Script only | |
| Opportunity Knocks! - Judith Prior | Script | David Spicer |
| Orchid | Score only | |
| Orpheus in the Underworld | Score & Script | Origin Theatrical |
| Orpheus in the Underword | Score & Script | David Spicer |
| Our Man in Havana | Score & Script | |
| Our Miss Gibbs | Score only | Origin Theatrical |
| Over She Goes | Script only | |
| The Owl & the Pussycat Went to See | Score & Script | Play Bureau |
| Title | Perusal Material Held | Rights Holder |
| Pacific Overtures | Score & Script | Hal Leonard |
| Pacific 1860 (Noel Coward) | Score only | |
| Paganini | Score & Script | Origin Theatrical |
| Pagliacci (Punchinello) | Score only | Origin Theatrical |
| Paint Your Wagon | Score & Script | Origin Theatrical |
| The Pajama Game | Score & Script | Hal Leonard |
| Pal Joey | Score & Script | Origin Theatrical |
| Panto at the OK Corral (Jim Sperinck) | Script (Jasper) | David Spicer |
| Paris | Script | David Spicer |
| Passion Flower | Score & Script | |
| Patience (Gilbert & Sullivan) | Score & Script | Out of Copyright |
| Paul Jones | Score Only | |
| Penelope Anne | Script only | |
| Pendragon | Score & Script | Origin Theatrical |
| Perchance to Dream | Score & Script | Play Bureau |
| Peter Pan (Piers Chater-Robinson) | Script only | Play Bureau |
| Peter Pan the Croc Rock Musical | Score & Script | David Spicer |
| Peter Pan (J M Barrie) | Score & Script | David Spicer |
| The Phantom of the Country Opera | Score & Script | Hal Leonard |
| The Phantom of the Opera (Lloyd-Webber) | CD Highlights | |
| Pickwick | CD Highlights | |
| Philemon | Score & Script | Hal Leonard |
| The Pied Piper of Hamlyn | Score & Script | David Spicer |
| The Pied Piper (Doreen Moger) | Script (Jasper Publishing) | David Spicer |
| Pink Champagne (Die Fledermaus) | Score & Script | Play Bureau |
| Pink Lady | Score & Script | |
| Pinocchio (Leisy/Eiberhard version) | Score & Script | Origin Theatrical |
| Pinocchio (Prince Street Players) | Score & Script | Hal Leonard |
| Pinocchio (Doreen Moger) | Script (Jasper) | David Spicer |
| Pipe Dream | Score & Script | Origin Theatrical |
| Pippi Longstocking | Score & Script | Origin Theatrical |
| Pippin | Score & Script | Hal Leonard |
| Pirates of Penzance (Gilbert & Sullivan) | Score & Script | Out of Copyright |
| Pirates of Penzance ((Essgee's) | Script & Video | David Spicer. |
| Pirates of Penzance (Papp/Leach version) | Score & Script | Hal Leonard |
| The Pirate Prince - Judith Prior | Script | David Spicer |
| Pizazz | Script Only | Origin Theatrical |
| Popular Girl | Score & Script | Ross Booth |
| Porgy & Bess | Score only | Origin Theatrical |
| Princess Ida (Gilbert & Sullivan) | Score & Script | Out of Copyright |
| Princess of Kensington | Score & Script | |
| Pride & Prejudice | Score/Script/Tape | David Spicer. |
| Puss in Boots | Script only | |
| Title | Perusal Material Held | Rights Holder |
| The Quaker Girl | Score and Script | Origin Theatrical |