Author
Historical Society of Pennsylvania
3
Academy of Natural Sciences of Philadelphia
2
Phillips, Venia T.
2
American Philosophical Society
1
Catlett, J. Stephen
1
Dreer, Ferdinand Julius, 1812-1902
1
Hirsch, Rudolf, 1906-1990
1
Musical Fund Society of Philadelphia
1
Philadelphia University Music Dept
1
Phillips, Maurice E.
1
University of Pennsylvania. Library
1
Zacour, Norman P.
1