Author
Historical Society of Pennsylvania
3
Ericson, Jack T.
2
Indian Rights Association
2
Temple University. Libraries. Rare Book and Manuscript Department
2
American Philosophical Society
1
Catlett, J. Stephen
1
Eliot, Margaret Sherburne
1
Heuser, Frederick J.
1
Historical Records Survey of Pennsylvania
1
Library of Congress. Manuscript Division
1
Pennsylvania Historical Commission
1
Presbyterian Historical Society
1
Stevens, Sylvester Kirby, 1904-
1
Swarthmore College. Peace Collection
1
Welsh, Herbert, 1851-1941
1