Columbia subject headings:
Harvard subject headings:
African American painters--Maryland--Baltimore--Biography.
Baltimore (Md.)--Biography
Johnson, Joshua, active 1796-1824--Exhibitions.
Portrait painters--Maryland--Baltimore--Biography.
Portrait painting, American--Maryland--Baltimore--Exhibitions.
Portrait painting--18th century--United States--Exhibitions.
Portrait painting--19th century--United States--Exhibitions.
Princeton subject headings:
African American painters--Maryland--Baltimore--Exhibitions.
Baltimore (Md.)--Biography--Portraits--Exhibitions.
Freed persons--Maryland--Baltimore--History--19th century--Exhibitions.
Johnson, Joshua, active 1796-1824--Exhibitions.
Portrait painting, American--Maryland--Baltimore--Exhibitions.
Portrait painting--19th century--Maryland--Baltimore--Exhibitions.