AIDS (Disease) 4 Health surveys 4 Land surveys--Pennsylvania--Philadelphia--18th century 4 Surveys 3 Land surveys--Pennsylvania--18th century 2 Land surveys--Pennsylvania--Philadelphia--19th century 2 Prevention 2 more ... Social aspects 2 Taxation 2 Acquired Immunodeficiency Syndrome 1 Antiquities 1 Archaeological Survey 1 Archaeological surveying 1 Archaeology 1 Astrology--German--18th Century 1 Attitudes 1 Beekeeping--German--18th Century 1 Borinquen Federal Credit Union (Philadelphia, Pa.) 1 Centro Pedro Claver (Philadelphia, Pa.) 1 Coalition for Hispanic Advancement (Philadelphia, Pa.) 1 Deeds 1 Deeds--Germantown (Philadelphia, Pa.)--18th century 1 Deeds--Pennsylvania--18th Century 1 Diaz, Luis P., 1948- 1 Economic aspects 1 Employer attitude surveys 1 Excavations (Archaeology) 1 Germantown (Philadelphia, Pa.)--History 1 Health and hygiene 1 Hispanic American youth 1 Hispanic Americans--Housing--Pennsylvania--Philadelphia 1 Hispanic Americans--Public welfare--Pennsylvania--Philadelphia 1 Historic districts 1 Housing rehabilitation--Pennsylvania--Philadelphia 1 Housing surveys--Pennsylvania--Philadelphia 1 Land Surveys--18th century 1 Land surveys 1 Legal Documents--18th Century 1 Local transit 1 Medical personnel 1 less ...