Author
Historical Society of Pennsylvania
22
Evelina López Antonetty Puerto Rican Research Collection (New York, N.Y.)
6
Ericson, Jack T.
2
Hunter College. Centro de Estudios Puertorriqueños
2
Indian Rights Association
2
United States. National Historical Publications and Records Commission
2
Allen, Denys
1
Balch Institute for Ethnic Studies
1
Bancroft Library
1
Coates, Jennifer
1
Greenwood, Val D.,
1
Hocker, Edward W., 1873-
1
Jones, Louise T. 1965-
1
Leopold, Lee B.
1
Mackenzie, Sandra
1
McCullough, Thomas J.
1
Santamaria, Daniel A.,
1
Sheldon, Richard N.
1
Society of American Archivists
1
Society of American Archivists. Committee on Finding Aids
1
Thomson, Jane
1
Welsh, Herbert, 1851-1941
1
Wyck Association
1
Wyck Charitable Trust
1
Zamon, Christina
1