Author
Adams, Henry, 1949-
2
Historical Society of Pennsylvania
1
Jefferson, Thomas, 1743-1826
2
Kimball, Gregg D.
1
Massachusetts Historical Society,
2
Onuf, Peter S.,
2
Pennsylvania Society for Promoting the Abolition of Slavery
1
Thomas Jefferson Foundation
1
Tyler-McGraw, Marie
1
Valentine Museum
1
Wulf, Andrea,
2