Other
Historical Society of Pennsylvania
2
African Studies Association
1
Alderfer, Harold F. 1903-1983
1
American Colonization Society
1
Beck, Lois
1
Center for Research Libraries (U.S.)
1
Cooperative Africana Microform Project (U.S.)
1
Gray, John, 1962-
1
Head, Sydney W.
1
Library Company of Philadelphia
1
Library of Congress. Manuscript Division
1