Kaplan, M. (1955). Pictorial Americana: A select list of photographic negatives in the Prints and Photographs Division of the Library of Congress (2d ed.). Washington: Library of Congress.

Kaplan, Milton. Pictorial Americana: A Select List of Photographic Negatives in the Prints and Photographs Division of the Library of Congress. 2d ed. Washington: Library of Congress, 1955.

Kaplan, Milton. Pictorial Americana: A Select List of Photographic Negatives in the Prints and Photographs Division of the Library of Congress. 2d ed. Washington: Library of Congress, 1955.