• Doollee - Database of Plays and Playwrights
• The Guide To World Drama - Directory of plays & playwrights

Words

• Samuel French
• Josef Weinberger
• Faber & Faber
• Oberon Books
• Nick Hern Books
• Lazy Bee Scripts
• Cressrelles Publishing
• CCL Publications
• New Theatre Publications
• Limelight Scripts
• Stage Plays by Ian Hornby
• Plays and Musicals
• The Internet Theatre Bookshop

Music

• Dress Circle - The Musical Theatre Shop
• dotdismus.com - UK Discount Music Brokers
• MusicRoom - Sheet Music
• Sheet Music Warehouse - Old & out of print sheet music