Columbia subject headings:
Harvard subject headings:
Ferry Hill Plantation (Md.)
Plantation life--Maryland.
Princeton subject headings:
Blackford, John, 1771-1839--Homes and haunts--Maryland--Ferry Hill Plantation.
Douglas, Henry Kyd, 1838-1903--Homes and haunts--Maryland--Ferry Hill Plantation.
Ferry Hill Plantation (Md.)--History.
Historic buildings--Maryland--Washington County.
Plantation life--Maryland.
Slaves--Maryland--Ferry Hill Plantation--Social conditions.
Washington County (Md.)--History, Local.