Population trends in southwestern Pennsylvania
By: by Aubrey Mallach. Prepared for the Allegheny conference on community development by the Bureau of social research, Federation of social agencies of Pittsburgh and Allegheny County
Published: 1947
Place of publication: Pittsburgh, Pa
Language: eng
Subjects: Population
Notes: "Prepared, October 1945; revised, February 1947."

"Source material and references": p.41.