Columbia subject headings:
Harvard subject headings:
Archaeology--Virginia--Congresses.
Excavations (Archaeology)--Virginia--Congresses.
Indians of North America--Virginia--Antiquities--Congresses.
Virginia--Antiquities--Congresses.
Virginia--History--Colonial period, ca. 1600-1775--Congresses.
Princeton subject headings:
Archaeology--Virginia--Congresses.
Excavations (Archaeology)--Virginia--Congresses.
Indians of North America--Virginia--Antiquities--Congresses.
Virginia--Antiquities--Congresses.
Virginia--History--Colonial period, ca. 1600-1775--Congresses.