Author
Pennsylvania
10
Philadelphia Record
7
Albertype Co
6
American Automobile Association
5
Melish, John, 1771-1822
5
Pennsylvania. Department of Highways
5
ADC (Firm)
4
Kümmerly + Frey
4
Mairs Geographischer Verlag
4
Faris, John Thomson, 1871-1949
3
Hallwag AG
3
Pennsylvania Historical and Museum Commission
3
Williams, John S.
3
Bell, D. Sargent, 1876-194-
2
Beyer, George R.
2
Brown, Roy M.
2
Bureau of Municipal Research (Philadelphia, Pa.)
2
Camden County Historical Society
2
Chiriqui Improvement Company
2
Colles, Christopher, 1738-1816
2
Colles, Christopher, 1738-1821
2
Dale, Bruce
2
Dawes, Rumford
2
Diffenderffer, Frank Ried, 1833-1921
2
Dollarhide, William
2
Gales & Seaton,
2
Geodetický a kartografický podnik v Praze
2
Hamilton Library Association, Carlisle, Pa
2
Hamilton, John, 1843-1921
2
Hemminger, J. D.
2
Kent, Donald H.
2
Kieffer, Henry Martyn, 1845-1930
2
Lentz, Harry David, 1889-
2
Maysville-Mason County Tourism (Ky.)
2
Monroe, James, 1758-1831
2
Pennsylvania Society for the Promotion of Internal Improvements in the Commonwealth
2
Pennsylvania. Department of General Services
2
Pennsylvania. Highway Department
2
Philadelphia City Planning Commission
2
Philadelphia,
2
Rand McNally and Company
2
Ravenstein Verlag
2
Reise- und Verkehrsverlag
2
United States
2
United States. Department of the Treasury
2
United States. President (1817-1825 : Monroe)
2
Alexandria Drafting Company
1
Allegheny National Forest Vacation Bureau
1
American Institute of Planners
1
American Map Corporation
1
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