Author
Cincinnati Historical Society
4
Historical and Philosophical Society of Ohio
3
Allen, Clifford P. 1841-
1
American Indian Ethnohistoric Conference
1
American Indian Ethnohistorical Conference
1
American Society for Ethnohistory
1
Appalachian Mountain Club. Delaware Valley Chapter
1
Cincinnati Museum Center
1
Daughters of the American Revolution Pennsylvania Tioga Point chapter (Athens)
1
Delaware Bridge Joint Commission of the States of Pennsylvania and New Jersey
1
Delaware River Port Authority
1
Delaware Valley Regional Information Corporation
1
Filson Historical Society
1
George de Benneville Keim Collection
1
Haigis, John
1
Historical Society of Northwestern Ohio
1
Miami Valley Council on Genealogy and History
1
Mississippi Valley Historical Association
1
Norona, Delf, b. 1895
1
Ohio Valley Historic Indian Conference
1
Packard, Herbert S.
1
Penjerdel (Corporation)
1
Pennsylvania Horticultural Society
1
Philadelphia magazine
1
Schuylkill River Development Council (Philadelphia, Pa.)
1
Second Presbyterian Fishing Club of Philadelphia
1
Tioga Point Museum
1
Tioga Point Museum (Athens, Pa.)
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