Author
Delaware General Assembly House of Representatives Committee to Investigate the Loan to the Philadelphia, Wilmington and Baltimore Railroad Company
2
Matthias, Benjamin
2
Regional Planning Federation of the Philadelphia Tri-State District
2
Bainbridge, William, 1774-1833
1
Barker, James Nelson, 1784-1858
1
Bell Telephone Company of Philadelphia (Pa.)
1
Carey, Mathew, 1760-1839
1
Day, W. H.
1
Delaware Railroad Company
1
Delaware Trust Company
1
Delaware and Atlantic Telegraph and Telephone Company
1
Eleutherian Mills Historical Library
1
Federal Reserve Bank of Philadelphia. Research Department
1
Free Library of Philadelphia Office of Public Service Support
1
Gayley, Samuel Alexander, 1822-1903
1
Graham, Daniel A., 1948-
1
Hotchkin, S. F. 1833-1912
1
Jones, Harry W.
1
Jones, T. W.
1
Jones, William, 1760-1831
1
Kenny, H. F.
1
La Rochefoucauld, François, duc de, 1765-1848
1
McGuire, Thomas J.
1
Moore, Joshua John, -1813
1
Munroe, John A., 1914-
1
Museum Council of Philadelphia and the Delaware Valley Education Committee
1
Nelson, Daniel, 1941-
1
People's National Fire Insurance Company
1
Philadelphia (Pa.) Inland Transportation Committee
1
Philadelphia Chamber of Commerce
1
Philadelphia Port Corporation
1
Ralston, Robert, 1761-1836
1
Regional Planning Federation of the Philadelphia Tri-State District Population Committee
1
Rohrbeck, Benson W.
1
School District of Philadelphia, Pa. Office of Curriculum Support
1
Scott, Joseph, a geographer
1
Society for the Commemoration of the Landing of William Penn
1
Tyler, David Budlong, 1899-1993
1
U.S Board of Engineers for Rivers and Harbors
1
U.S Shipping Board
1
United States. Army. Corps of Engineers
1
United States. Board of Engineers for Fortifications
1
Vallandigham, J L.
1
Vallandigham, James Laird, 1812-1904
1
Wallace, Benjamin J.
1
William Thomson (Publisher : Baltimore)
1
Wilson, W. Emerson
1