Created by author and lecturer John Kenrick, this site offers basic information on musicals- reviews, history of, musical film index, and suggested readings.
BDB (Internet Broadway Database) archive is the official database for Broadway theatre information. IBDB provides records of productions from the beginnings of New York theatre until today.
Cats!
Show tunes : the songs, shows, and careers of Broadway's major composers by 
"No legs, no jokes, no chance" : a history of the American musical theater by 
