Author
- Delaware River Port Authority 2 results
- U.S Board of Engineers for Rivers and Harbors 2 results
- Martin, Alfred Simpson 1 results
- Philadelphia Chamber of Commerce 1 results
- Ralston, Robert, 1761-1836 1 results
- U.S Maritime Commission 1 results
- U.S Shipping Board 1 results
- United States. Army. Corps of Engineers 1 results
- United States. Board of Engineers for Rivers and Harbors 1 results
- United States. Congress 1 results
- United States. Maritime Administration 1 results
- United States. Maritime Commission 1 results