StageAgent.com: Grease
- Plot synopsis and character descriptions for the musical, including voice part, dancing difficulty and summaries for each character.
- http://www.stageagent.com/shows.php?id=727

Grease on Broadway
- Official site for the 2007 New York production includes ticket sales and synopsis.
- http://www.greaseonbroadway.com/

Grease
- Official site of the British touring production includes ticket information, schedule, cast and crew, and games.
- http://www.greasethemusical.co.uk/

AllMusicals.com: Grease
- Site includes lyrics for all songs.
- http://www.allmusicals.com/g/grease.htm

Moonstruck Drama Bookstore: Grease
- Brief history of the musical by Jim Jacobs and Warren Casey, plus links to cast albums and sheet music.
- http://www.imagi-nation.com/moonstruck/albm41.html