IMDb: Stephen Sondheim: Filmography and television shows based on his compositions or using his music, plus acting and miscellaneous credits.
Smithsonian Magazine: Sondheim!: Article published August, 2002, with information on a summer music festival.
Sondheim Notes: Articles on Sondheim's musicals in the 1970s, such as "Little Night Music," "Pacific Overtures," and "Sweeney Todd."
Sondheim.com: News, information, chat, show listing and details, links and merchandise.
Stephen Sondheim News: Topix.net: News about Stephen Sondheim continually updated from around the net.
Stephen Sondheim Reference Guide: Features listing of shows, songs, recordings, and chronology.
The Quotable Stephen Sondheim Page: Featuring a daily quote and show information.
The Sondheim Review Online: A quarterly magazine dedicated to the composer and lyricist.
The Stephen Sondheim Society: News, articles, information on UK amateur and professional productions, events, discussion boards, and membership.