Columbia subject headings:
Ohio Company (1786-1796)
Ohio River Valley--Description and travel.
Ohio--History--1787-1865--Sources.
Harvard subject headings:
Ohio Company (1786-1795)
Ohio River Valley--Description and travel.
Ohio--History--1787-1865--Sources.
Princeton subject headings:
Ohio Company (1786-1796)
Ohio River Valley--Description and travel.
Ohio--History--1787-1865--Sources.