Author
Maier, Phyllis C.
19
Philadelphia Record
19
Pennsylvania
10
ADC (Firm)
8
Ashmead, Henry Graham, 1838-1920
8
Second Presbyterian Fishing Club of Philadelphia
8
A.H. Mueller & Co
6
Albertype Co
5
Kiser, Ellis
5
Mueller, A. H.
5
Myers, Albert Cook, 1874-1960
5
Penn, William, 1644-1718
5
Southeastern Pennsylvania Transportation Authority
5
Chamber of Commerce of Greater Philadelphia
4
Commission on Boundary Lines between Delaware, Maryland, and Pennsylvania (1850)
4
Delaware County Historical Society
4
Delaware County Institute of Science (Media, Pa.)
4
Elise Willing Balch Collection
4
Flanagan, May Douglas
4
Graham, J. D. 1799-1865
4
Heckewelder, John Gottlieb Ernestus, 1743-1823
4
Martin, John Hill, 1823-1906
4
Packard, Herbert S.
4
Allen, Clifford P. 1841-
3
Chesapeake and Delaware Canal Co
3
Chesapeake and Delaware Canal Company
3
Darlington, George Eyre, 1832-
3
Delaware County Convention & Visitors Bureau (Pa.)
3
Delaware and Atlantic Telegraph and Telephone Company
3
Greater Philadelphia Tourism Marketing Corp
3
Hopkins, Griffith Morgan, Jr
3
Hungerford, Austin N.
3
Lathrop, J. M.
3
Maryland. Governor (1848-1851 : Thomas)
3
Mercer, Henry C., 1856-1930
3
Museum Council of Philadelphia and the Delaware Valley
3
Ogier, St. Julian
3
Pennsylvania Historical and Museum Commission
3
Pennsylvania. General Assembly
3
Philadelphia (Pa.). Department of Wharves, Docks and Ferries
3
Platt, Frederick, 1946-
3
Pleasants, Henry, 1853-1884
3
Scott, Kenneth
3
Smith, George, 1804-1882
3
Thomson, Charles, 1729-1824
3
United States. Army. Corps of Engineers
3
Welsh, Carla
3
Williams, Mildred C.
3
Wright, Benjamin, 1770-1842
3
Acrelius, Israel, 1714-1800
2
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