Author
Historical Society of Pennsylvania
Ericson, Jack T.
2
Indian Rights Association
2
American Philosophical Society
1
George, Alice L., 1952-
1
Historical Records Survey of Pennsylvania
1
Jones & Greenwich
1
Library Company of Philadelphia
1
Meade, George Gordon, 1815-1872
1
Parallelodrome, Ltd
1
Rolph, Daniel N., 1953-
1
Scholarly Resources Inc
1
Tucher, Andrea
1
Welsh, Herbert, 1851-1941
1