Blum, D. C. (1956). A pictorial history of the American theatre, 1900-1956. Greenberg.
Lua i Stíl Chicago (17ú heag.)Blum, Daniel C. A Pictorial History of the American Theatre, 1900-1956. New York: Greenberg, 1956.
Lua MLA (9ú heag.)Blum, Daniel C. A Pictorial History of the American Theatre, 1900-1956. Greenberg, 1956.
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