Author
Chamber of Commerce of Greater Philadelphia
4
Penjerdel (Corporation)
2
Trust, Edward
2
U.S Board of Engineers for Rivers and Harbors
2
Allinson, William J., 1810-1874
1
Atkinson, William B. 1832-1907
1
Bowden, James, 1811-
1
Brown, Stewardson, 1867-1921
1
Carswell, Charles
1
Cox, S. L.
1
Cracraft, J. W.
1
Crittenden, J. P.
1
Delaware River Port Authority
1
Finch, E. H. (Geologist)
1
Helffrich, Charles B.
1
Ingham, William Armstrong, 1827-1913
1
Keller, Ida Augusta
1
Laufman, Alan M., 1935-
1
Milnor, William, 1769-1848
1
New Jersey Historical Society
1
Oliver Street Baptist Church (New York, N.Y.)
1
Organ Historical Society
1
Organ Historical Society National convention
1
Packard, John H. 1832-1907
1
Pennsylvania General Assembly House Committee to Whom Were Referred the Message of the Governor, and Documents, Relative to the River Delaware
1
Philadelphia Botanical Club
1
Philadelphia Yearly Meeting of the Religious Society of Friends
1
Powers, Peter
1
Presbyterian Church (Burlington, N.J.)
1
Reiff, Harry
1
Rhoads, Samuel N. 1862-1952
1
Robbins, Yale
1
Schmucker, B. M. 1827-1888
1
Semmes, Anne
1
Sharp, Joshua
1
Sinclair, Valerie
1
Smith, J. Jay 1798-1881
1
Society of Paper Makers of the States of Pennsylvania and Delaware
1
Special Libraries Council of Philadelphia and Vicinity
1
U.S Maritime Commission
1
U.S Shipping Board
1
Van Rensselaer, Cortlandt, 1808-1860
1
Watkins, J. Elfreth
1
Weis, Frederick Lewis, 1895-1966
1
Williams, William R., 1804-1885
1
Wilson, James Grant, 1832-1914
1