Columbia subject headings:
Graff House (Philadelphia, Pa.)
Jefferson, Thomas, 1743-1826.
United States.
Harvard subject headings:
Graff House (Philadelphia, Pa.)
Jefferson, Thomas, 1743-1826
United States. Declaration of Independence.
Princeton subject headings:
Graff House (Philadelphia, Pa.)
Jefferson, Thomas, 1743-1826.
United States. Declaration of Independence