- Philadelphia (Pa.) -- Politics and government
- Philadelphia (Pa.) -- Social life and customs
- Philadelphia (Pa.) -- Comic books, strips, etc -- Fiction
- Philadelphia (Pa.) -- History -- 19th century -- Juvenile fiction
- Philadelphia (Pa.) -- Biography
- Philadelphia (Pa.) -- History
- Philadelphia (Pa.) -- History -- Revolution, 1775-1783
- Philadelphia (Pa.)
- Philadelphia (Pa.) -- Emigration and immigration -- Social aspects
- Philadelphia (Pa.) -- History -- Revolution, 1775-1783 -- Fiction
- Philadelphia (Pa.) -- Drama
- Philadelphia (Pa.) -- Buildings, structures, etc
- Philadelphia (Pa.) -- Description and travel
- Philadelphia (Pa.) -- Juvenile fiction
- Philadelphia (Pa.) -- History -- 20th century -- Fiction
- Philadelphia (Pa.) -- Comic books, strips, etc
- Philadelphia (Pa.) -- History -- Colonial period, ca. 1600-1775 -- Fiction
- Philadelphia (Pa.) -- History -- Revolution, 1775-1783 -- Juvenile literature
- Philadelphia (Pa.) -- History -- Revolution, 1775-1783 -- Comic books, strips, etc
- Philadelphia (Pa.) -- History -- Revolution, 1775-1783 -- Cartoons and comics
- Philadelphia (Pa.) -- Description and travel -- Juvenile fiction
- Philadelphia (Pa.) -- Guidebooks
- Philadelphia (Pa.) -- History -- 19th century -- Fiction
- Philadelphia (Pa.) -- Juvenile literature
- Philadelphia (Pa.) -- Buildings, structures, etc -- Juvenile literature
- Philadelphia (Pa.) -- Fiction
- Philadelphia (Pa.) -- Central Congregational Church -- History