Arthur Sullivan
- Brief biography with summary of operettas and Naxos discography.
- http://www.naxos.com/composerinfo/1011.htm

Sir William Schwenck Gilbert and Sir Arthur Seymour Sullivan
- Musica Classica Classical Music Dictionary entry with brief life of the two, MIDI audio file from The Mikado, and list of operas with completion dates and libretti.
- http://www.karadar.it/Dictionary/sullivan.html

Opera A La Carte: Gilbert and Sullivan
- Company headed by Richard Sheldon exclusively performing the duo's works. Includes schedule, productions, orchestra requirements, references, reviews, contacts, and related information.
- http://www.operaalacarte.org/

Sir Arthur Sullivan
- Official credits, biographical information, and related information from the Internet Broadway Database.
- http://ibdb.com/person.asp?ID=8692

Gilbert and Sullivan
- Deals with all matters connected with the pair with special emphasis on the annual International Gilbert and Sullivan Festivals held in Buxton, England.
- http://myweb.tiscali.co.uk/sandham/introduction.htm

Classical Music Archives: Sullivan
- Biography from the Concise Oxford Dictionary of Music. Over 30 complete files offered in MIDI formats.
- http://www.classicalarchives.com/bios/codm/sullivan.html

Gilbert and Sullivan Bio-Bibliography
- Short list of books for the general public with brief reviews; includes links.
- http://spotlightongames.com/quote/g-s.html

Sullivan, Arthur (1842 - 1900), United Kingdom
- Biographical data, recommended CDs, books and sheet music, bibliography, and link to biographical essay from Dr. Estrella's Incredibly Abridged Dictionary of Composers.
- http://stevenestrella.com/composers/composerfiles/sullivan1900.html

Gilbert and Sullivan Archive
- Devoted to the operas and other works of the librettist and the composer with information on each and both together plus books, pictures, glossaries, other composers and works, and links.
- http://diamond.boisestate.edu/gas/

The Gilbert and Sullivan Discography
- Features a detailed listing of recordings and videos with reviews and ratings. Includes historical information, unpreserved works, and links.
- http://www.cris.com/~oakapple/gasdisc/