|Authors :||Pittsburgh (Pa.), Dept. of City Planning., United States, Bureau of the Census.|
|Title:||Population and housing: 1970 U.S. census|
Population and housing 1970 U.S. census
Pittsburgh (Pa.), Dept. of City Planning.United States, Bureau of the Census.
Pittsburgh, Pa: Dept. of City Planning, 
|Publication Info:||Pittsburgh: University of Pittsburgh, Digital Research Library
This work is believed to be in the public domain with no known restrictions on access and use.
Population and housing: 1970 U.S. census