Author
- Pennsylvania 19 results
- Philadelphia Record 12 results
- ADC (Firm) 9 results
- Pittsburgh and Steubenville Rail Road Company 8 results
- Rand McNally and Company 8 results
- Albertype Co 6 results
- American Automobile Association 6 results
- Melish, John, 1771-1822 5 results
- Pennsylvania. Department of Highways 5 results
- Hamilton Library Association, Carlisle, Pa 4 results
- Kümmerly + Frey 4 results
- Munsell, Joel, 1808-1880 4 results
- United States. Federal Highway Administration 4 results
- United States. President (1801-1809 : Jefferson) 4 results
- Biddle, Charles E 3 results
- Delaware. Division of Highways. Location and Environmental Studies Office 3 results
- Faris, John Thomson, 1871-1949 3 results
- Florence and Keyport Company 3 results
- Hallwag AG 3 results
- Irvin, Harold C 3 results
- Mitchell, D. 3 results
- Old York Road Historical Society (Jenkintown, Pa.) 3 results
- Pennsylvania Historical and Museum Commission 3 results
- Robinson, Moncure, 1802-1891 3 results
- Williams, John S. 3 results
- Bald Eagle Plank Road Company 2 results
- Bell, D. Sargent, 1876-194- 2 results
- Bellas, Hugh, 1780-1863 2 results
- Beyer, George R. 2 results
- Briggs, Isaac, 1775-1862 2 results
- Brown, Roy M. (Roy Melton) 2 results
- Bureau of Municipal Research (Philadelphia, Pa.) 2 results
- Camden County Historical Society 2 results
- Carey, Mathew, 1760-1839 2 results
- Chiriqui Improvement Company 2 results
- Colles, Christopher, 1738-1816 2 results
- Colles, Christopher, 1738-1821 2 results
- Dale, Bruce 2 results
- Danville and Pottsville Rail Road Company 2 results
- Dawes, Rumford 2 results
- DeLorme Mapping Company 2 results
- Decker, Amelia Stickney 2 results
- Decker, Amelia Stickney, 1876- 2 results
- Delaware General Assembly House of Representatives Committee to Investigate the Loan to the Philadelphia, Wilmington and Baltimore Railroad Company 2 results
- Delaware. Bureau of Archaeology and Historic Preservation 2 results
- Diffenderffer, Frank Ried, 1833-1921 2 results
- Dollarhide, William 2 results
- Esselte kartor (Firm) 2 results
- Foreman, Harry E. 2 results
- Fox, Thomas 2 results more…