Author
Delaware River Port Authority
6
Philadelphia (Pa.). Department of Wharves, Docks and Ferries
6
Philadelphia Chamber of Commerce
5
Schoff, Wilfred H. 1874-1932
5
United States. Army. Corps of Engineers
4
International Congress of Navigation
3
Taylor, Frank H. 1846-1927
3
Committee of Seventy (Philadelphia, Pa.)
2
FitzSimons, Thomas, 1741-1811
2
International Congress of Navigation Philadelphia)
2
Levitt, James H., 1940-
2
Philadelphia Maritime Museum
2
Philadelphia Port Corporation
2
Port of New York Authority Public Promotion Division
2
Ralston, Robert, 1761-1836
2
South Jersey Port Commission
2
Spirit of Philadelphia
2
Taylor, Frank Hamilton, 1846-
2
U.S Board of Engineers for Rivers and Harbors
2
United States. Congress
2
Albion, Robert Greenhalgh, 1896-
1
American Imprint Collection (Library of Congress)
1
Beck, Henry Paul
1
Bell, Edwin Price
1
Brewington, M. V. 1902-1974
1
Chambers, Frank Taylor, 1870-
1
Chandler, Charles Lyon, 1883-
1
Dark Star Pirate Crusies
1
Delaware River Waterfront Corporation,
1
Eleutherian Mills-Hagley Foundation
1
Franklin Institute (Philadelphia, Pa.)
1
Frew, David
1
Gales & Seaton,
1
Gilchrist, David T.
1
Gillon, Edmund Vincent
1
Hammond Incorporated
1
Haupt, Lewis Muhlenberg, 1844-1937
1
Hornblower Marine Services
1
Hunter, R. J. 1938-2007
1
Hüe, Jean-François, 1751-1823
1
Kennedy Galleries (New York)
1
Knappen Tippetts Abbett Engineering Co
1
Kōbe-shi (Japan)
1
Le Rouge, Georges-Louis
1
Leffmann, Henry, 1847-1930
1
Liu, Kwang-Ching, 1921-
1
MacDonald, Robert J.
1
MacElwee, Roy S. 1883-1944
1
Maffet, David
1
Marian S. Carson Collection (Library of Congress)
1
more ...