Musicals 101
Musicals 101: History of the Musical Stage: Ziegfeld Follies
This article gives a history of the Ziegfeld Follies, with information on its creator Florenz Ziegfield, its origin, and the performers. The site also includes thumbnails of pictures of the Follies.
Musicals 101
Musicals101: History of the Stage Musical 1910 1920
From Jerome Kern's Americanized shows to the Ziegfeld Follies, the stages saw a whole new type of musical from 1910-1920.
Duke University
Historical American Sheet Music: Mandy by Irving Berlin
Take a look at the sheet music from Irving Berlin's "Mandy", performed at Ziegfeld Follies in 1919. Very cool old poster.