Author
Foundation for Architecture (Philadelphia, Pa.)
1
Gallery, John Andrew
1
Gibbs, Jenna M., 1961-
1
Group for Environmental Education (Philadelphia, Pa.)
1
Higham, Charles
1
Hildeburn, Charles R. 1855-1901
1
Hosack, David, 1769-1835
1
Mears, John W. 1825-1881
1
Philadelphia Councils Water Committee
1
Smith, Joseph
1
Smith, R. C. 1892-
1
Watmough, James Horatio, 1754-1812
1
YA Pamphlet Collection (Library of Congress)
1