Columbia subject headings:
Cresap, Michael, 1742-1775.
Logan, James, -1780.
Ohio River Valley--History--To 1795.
Harvard subject headings:
Cresap, Michael, 1742-1775.
Logan, James, -1780.
Ohio River Valley--History--To 1795.
Princeton subject headings:
Cresap, Michael, 1742-1775.
Logan, James, -1780.
Ohio River Valley--History--To 1795.