Author
- Brown, Alexander Crosby, 1905- 2 results
- Chamber of Commerce of Greater Philadelphia 2 results
- Delaware River Port Authority 2 results
- George de Benneville Keim Collection 2 results
- Hanna, Charles A. (Charles Augustus), 1863-1950 2 results
- Penjerdel (Corporation) 2 results
- Philadelphia (Pa.) Watering Committee 2 results
- Philadelphia (Pa.). Department of Wharves, Docks and Ferries 2 results
- U.S Board of Engineers for Rivers and Harbors 2 results
- Adams, Charles J. (Charles Jesse), 1947- 1 results
- Allen, Clifford P. (Clifford Paynter), 1841- 1 results
- Allen, Jane E. 1 results
- Allen, Roger B. 1 results
- Appalachian Mountain Club. Delaware Valley Chapter 1 results
- Armstrong, A. Joseph 1 results
- Asbell & Associates 1 results
- Blackwall, Christopher I. 1 results
- Bowen, Eli, 1824- 1 results
- Bromwell, William 1 results
- Cadzow, Donald A. 1 results
- Concerned Citizens of the Delaware Valley 1 results
- Crawford, Andrew Wright, 1873-1929 1 results
- Cummings, Hubertis M. (Hubertis Maurice), 1884-1963 1 results
- Davis, William Morris, 1850-1934 1 results
- Duane, William J. (William John), 1780-1865 1 results
- Engineers Club of Philadelphia 1 results
- Federal Reserve Bank of Philadelphia. Research Department 1 results
- Fell, Derek 1 results
- Harding, John J. 1 results
- Klein, William M. 1 results
- Knopp, Andrew F., Jr 1 results
- Lehigh County Historical Society (Pa.) 1 results
- Letcher, Gary, 1952- 1 results
- Lewis, John Frederick, 1860-1932 1 results
- Merritt, John B. 1 results
- Miller, Leslie W. (Leslie William), 1848-1931 1 results
- O'Brien, Alice Rowan 1 results
- Packard, Herbert S. 1 results
- Pennsylvania General Assembly House Committee to Whom Were Referred the Message of the Governor, and Documents, Relative to the River Delaware 1 results
- Pennsylvania Society for the Promotion of Internal Improvements in the Commonwealth 1 results
- Pennsylvania Water Resources Committee 1 results
- Pennsylvania Water Resources Committee Engineers' Study Committee 1 results
- Philadelphia Botanical Club 1 results
- Philadelphia Chamber of Commerce 1 results
- Philadelphia Maritime Exchange 1 results
- Philadelphia Maritime Museum 1 results
- Philadelphia Watering Committee 1 results
- Pilots' Association for the Bay and River Delaware 1 results
- Port of Philadelphia Board of Wardens 1 results
- Ralston, Robert, 1761-1836 1 results more…