Author
Phlash (Firm : Philadelphia, Pa.)
5
Big Bus Company of Pennsylvania
2
Jackson, Joseph, 1867-1946
2
Morris Visitor Publications
2
Parallel Design, Inc
2
Philadelphia Board of Trade
2
Philadelphia Rapid Transit Company
2
Philadelphia Transportation Company
2
Philadelphia's Historic Neighborhood Consortium
2
76 Carriage Company
1
Camden Waterfront Marketing Bureau (N.J.)
1
Chestnut Hill Business Association (Philadelphia, Pa.)
1
Chilton Company
1
Constitutional Foundation (Philadelphia, Pa.)
1
Constitutional Walking Tour of Philadelphia (Firm)
1
Delaware Valley Regional Planning Commission
1
Friedman, T. G.
1
H. M. Gousha Co
1
Hamel, Bernice T.
1
Historic Philadelphia, Inc
1
Joel Katz Design Associates
1
Leisure Pass North America, LLC
1
Manayunk Development Corporation
1
Old City Arts Association (Philadelphia, Pa.)
1
Once Upon a Nation
1
Once Upon a Nation (Organization)
1
PECO Energy Company
1
Philadelphia Electric Co
1
Philadelphia Trolley Works
1
Playground Maps Inc
1
Reichard, L. E.
1
Society Hill Civic Association. Preservation Committee
1
Southeastern Pennsylvania Transportation Authority
1
Southeastern Pennsylvania Transportation Authority. Cartography Department
1
Springer Cartographics
1
United States. National Park Service
1