Columbia subject headings:
Harvard subject headings:
Bartram, John, 1699-1777
Bartram, John, 1699-1777. Correspondence
Botanists--United States--Correspondence.
Botany--United States
Marshall, Humphry, 1722-1801
Princeton subject headings:
Bartram, John, 1699-1777.
Botany--United States--Bibliography.
Marshall, Humphry, 1722-1801.