Category:20th-century maps of Philadelphia
Counties of Pennsylvania : Allegheny · Bucks · Delaware · Fayette · Juniata · Lebanon · Luzerne · Philadelphia · Warren · York
Maps of Philadelphia by century: (BCE) (CE) 17th century · 18th century · 19th century · 20th century · 21st century ·
Subcategories
This category has the following 10 subcategories, out of 10 total.
- 1940s maps of Philadelphia (31 F)
- 1950s maps of Philadelphia (10 F)
- 1960s maps of Philadelphia (6 F)
- 1970s maps of Philadelphia (9 F)