Author
Allen, Clifford P. 1841-
1
Delaware Bridge Joint Commission of the States of Pennsylvania and New Jersey
1
Delaware River Port Authority
1
George de Benneville Keim Collection
1
Packard, Herbert S.
1
Second Presbyterian Fishing Club of Philadelphia
1
United States. Army. Corps of Engineers
1
United States. Board of Engineers for Rivers and Harbors
1
United States. Maritime Administration
1
United States. Maritime Commission
1