African American Sheet Music (images and scores)
American Broadsides and Ephemera Database
Broadway Productions Historical Collections from Museum of the City of New York
Catena (Historic Gardens)
Digital Collections in the Performing Arts (Eric Colleary)
Image Collections and Online Art
Library of Congress American Memory Project
New York Public Library Picture Collection Online
New York Public Library Digital Gallery
Performing Arts Glass Plate Negatives (Ransom Center, University of Texas at Austin)
Billy Rose Theatre Division, The New York Public Library. "Audience line outside the Majestic Theatre for the stage production Allegro, ca. 1947." New York Public Library Digital Collections.