Author
U.S Board of Engineers for Rivers and Harbors
2
United States. Army. Corps of Engineers
2
Brewington, M. V. 1902-1974
1
Brown, Earl I.
1
Chandler, Charles Lyon, 1883-
1
Colesberry, Alexander P.
1
Commercial Exchange of Philadelphia (Pa.)
1
Committee of Seventy (Philadelphia, Pa.)
1
Deakyne, Herbert, 1867-1945
1
Delaware River Port Authority
1
Free Library of Philadelphia
1
Haupt, Lewis M. b. 1844
1
Henderson, J. Welles
1
International Congress of Navigation
1
Martin, Alfred S.
1
National Board of Steam Navigation
1
Neall, Frank L.
1
Pennsylvania Board of Commissioners of Navigation for the River Delaware and Its Navigable Tributaries
1
Pennsylvania Railroad
1
Philadelphia (Pa.)
1
Philadelphia (Pa.) Councils Joint Special Committee on the Launching of the Armored Cruiser "Pennsylvania"
1
Philadelphia (Pa.). Department of Wharves, Docks and Ferries
1
Philadelphia (Pa.). Office of the City Representative
1
Philadelphia Board of Wardens
1
Philadelphia Councils Joint Committee on Commerce and Navigation
1
Philadelphia Dept. of Commerce
1
Philadelphia Dept. of Wharves, Docks, Ferries
1
Philadelphia Maritime Museum
1
Philadelphia Maritime Museum (Philadelphia, Pa)
1
Philadelphia Port Corporation Port Affairs Division
1
Philadelphia. Dept. of Wharves, Docks and Ferries
1
Reading Company
1
Reath, Henry T.
1
Richardson, E. P. 1902-1985
1
Schoff, Wilfred H. 1874-1932
1
Taylor, Frank H. 1846-1927
1
Taylor, Frederic W.
1
U.S Maritime Commission
1
U.S Shipping Board
1
United States. Interstate Commerce Commission
1
Vessel Owners and Captains Association
1
Vessel Owners and Captains Association of Philadelphia
1
Webb, Elisha
1
Wilmington Steamboat Co
1
Wilson, S. Davis, d. 1939
1