The city expands microform : a study of the conversion of land from rural to urban use : Philadelphia, 1945-62 - Milgram, Grace Smelo; Mansfield, Christine; University of Pennsylvania. Institute for Environmental Studies (D.C. ; Available from National Technical Information Service : Springfield, Va : U.S. Dept. of Housing and Urban Development : Washington, 1982)
'Prepared under contract with the Office of the Secretary, Department of Housing and Urban Development, by the Institute for Environmental Studies, University of Pennsylvania'
Keywords: Land use, Urban -- Pennsylvania -- Philadelphia; Real property -- Pennsylvania -- Philadelphia