Columbia subject headings:
Indians of North America--Antiquities.
Paleo-Indians--Atlantic Coast.
Paleo-Indians--Delaware River (N.Y.-Del. and N.J.)
Paleo-Indians--Hudson River (N.Y. and N.J.)
Harvard subject headings:
Delaware River Valley (N.Y.-Del. and N.J.)--Antiquities.
Hudson River Valley (N.Y. and N.J.)--Antiquities.
Indians of North America--Northeastern States--Antiquities.
Northeastern States--Antiquities.
Paleo-Indians--Delaware River Valley (N.Y.-Del. and N.J.)
Paleo-Indians--Hudson River Valley (N.Y. and N.J.)
Princeton subject headings:
Delaware River Valley (N.Y.-Del. and N.J.)--Antiquities.
Hudson River Valley (N.Y. and N.J.)--Antiquities.
Indians of North America--Northeastern States--Antiquities.
Northeastern States--Antiquities.
Paleo-Indians--Delaware River Valley (N.Y.-Del. and N.J.).
Paleo-Indians--Hudson River Valley (N.Y. and N.J.).