Author
Historical Society of Pennsylvania
Historical Records Survey of Pennsylvania
3
Balch Institute for Ethnic Studies
1
Barton, Marcella Biro
1
Bleyden, Paul,
1
Bumbrey, Jeffrey Nordlinger
1
Great Britain. Public Record Office
1
Kanes, Lelage G.
1
Levin, Bernard S.,
1
Pennsylvania Society for Promoting the Abolition of Slavery
1