Author
Bowen, Eli, 1824-
2
Faris, John Thomson, 1871-1949
2
Taylor, Frank H. 1846-1927
2
American Institute of Electrical Engineers
1
Buck Hill Falls Co. (Buck Hill Falls, Pa.)
1
Campbell, Jane
1
Center City Residents' Association (Philadelphia, Pa.)
1
Civic Club of Philadelphia
1
Committee of 1926 of Pennsylvania
1
Emgarth, Annette H.
1
Emily Swift Balch Collection
1
Fisher, Alan
1
Hunt, J. P.
1
International Congress of Navigation
1
International Electrical Congress
1
Jackson, Joseph, 1867-1946
1
Landis, Dwight
1
Philadelphia City Planning Commission
1
Philadelphia College of Art Environmental Design Dept
1
Philadelphia Society for Crippled Children and Adults
1
Philadelphia Transportation Company
1
Reed, John
1
Reed, John, 1738-1776
1
Regional Planning Federation of the Philadelphia Tri-State District
1
Rural History Cooperative
1
Saum, Roy
1
Schoff, Wilfred H. 1874-1932
1
Seitz, Blair
1
Seitz, Ruth Hoover
1
Smith, J. L.
1
Stevick, Philip
1
Strawberry Mansion Washington Tours' Committee
1
Taylor, F. H.
1
Trussell, John B. B.
1
W.B. Saunders Company
1
Western Pennsylvania Historical Survey
1