United States. Bureau of the Census.. 16th census of the United States, 1940. Housing : Supplement to the first series, housing bulletin for Pennsylvania : Philadelphia block statistics.Washington, D.C. : U.S. Government Printing Office, 1942.
Call#: Van Pelt Library Reference Stacks HD7293 .A486 1942

United States. Bureau of the Census.. Sixteenth census of the United States: 1940, Housing. Block statistics [for cities of a population of 50,000 or more].Washington, U. S. Govt. Print. Off., 1941-1942.
Call#: HD7293 .A488b

United States. Bureau of the Census.. 16th census of the United States, 1940 : Housing : analytical maps : block statistics / prepared under the supervision of Leon E. Truesdell, chief statistician for population, Bureau of the Census ; prepared and duplicated by New York City WPA War ServiceWashington, DC : the Bureau, 1943?
Call#: Van Pelt Library Folio HD7293 .A5 1940m