http://tags.library.upenn.edu/tag/philadelphia+1970 PennTags Feed http://tags.library.upenn.edu/makerecord/voyager/5293 http://tags.library.upenn.edu/makerecord/voyager/5293 <div class="mlacite">United States. Bureau of the Census.. <span style="text-decoration: underline">1970 census of housing.</span>[Washington; For sale by the Supt. of Docs., U.S. Govt. Print Off., 1972- <br />Call#: Van Pelt Library HD7293 .A512 1972</div><br /> <br />