Author
Philadelphia (Pa.). Department of Wharves, Docks and Ferries
3
South Jersey Port Commission
2
U.S Board of Engineers for Rivers and Harbors
2
Albion, Robert Greenhalgh, 1896-
1
FitzSimons, Thomas, 1741-1811
1
Franklin Institute (Philadelphia, Pa.)
1
Frew, David
1
Haupt, Lewis Muhlenberg, 1844-1937
1
Hunter, R. J. 1938-2007
1
Levitt, James H., 1940-
1
Liu, Kwang-Ching, 1921-
1
MacDonald, Robert J.
1
Martin, Alfred Simpson
1
New Jersey Historical Society
1
Philadelphia Chamber of Commerce
1
Pope, Jennie Barnes
1
Reath, Henry T.
1
Scott, Brendan, 1978-
1
Trigg, Ernest T., 1877-1957
1
U.S Maritime Commission
1
U.S Shipping Board
1
Ulster Historical Foundation
1
Weglein, Richard
1