Author
ADC (Firm)
6
Philadelphia Transportation Company
4
Smith, J. L.
3
Southeastern Pennsylvania Transportation Authority
3
Weinberg, Allen
3
Bachmann, John
2
Big Bus Company of Pennsylvania
2
Daly, John, 1934-
2
Hagstrom Company
2
Hartranft, Rufus C.
2
John Wanamaker (Firm)
2
Mural Arts Program (Philadelphia, Pa.)
2
P.S. Duval & Son
2
Parallel Design, Inc
2
Philadelphia (Pa.). Department of Records
2
Philadelphia (Pa.). Office of the Managing Director
2
Philadelphia's Historic Neighborhood Consortium
2
Phlash (Firm : Philadelphia, Pa.)
2
Southeastern Pennsylvania Transportation Authority. Cartography Department
2
Tanner, Henry Schenck, 1786-1858
2
Weik, John
2
76 Carriage Company
1
Alexandria Drafting Company
1
Allen, William
1
American Association for the Advancement of Science. Annual Meeting
1
Andre, John, Major
1
Barnes, R. L.
1
Barnes, R.L
1
Byres, C. E.
1
Callender and Company
1
Carey & Hart
1
Constitutional Foundation (Philadelphia, Pa.)
1
Constitutional Walking Tour of Philadelphia (Firm)
1
Delaware Valley Regional Planning Commission
1
Drayton, Joseph
1
Fairmount Park Commission (Philadelphia, Pa.)
1
Fields, Dale
1
Francis Bros
1
Franklin Survey Company,
1
Friedman, T. G.
1
Gamble, W. H.
1
Genealogical Society of Pennsylvania
1
Gopsill, J.
1
H. M. Gousha Co
1
H.J. Toudy & Co
1
H.J. Toudy and Company
1
Hamel, Bernice T.
1
Hasler, Roger
1
Historic Philadelphia, Inc
1
Holme, Thomas, -1695
1
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