Population trends in Allegheny County, 1840-1943
By: Bertram J. Black, director, Aubrey Mallach, research associate
Series: Basic information workbooks -- no. 1
Publisher: Bureau of Social Research, Federation of Social Agencies of Pittsburgh and Allegheny County
Published: 1944
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 48
Subjects: Population
Notes: "For further references": p.48.