Columbia subject headings:
Architecture, Domestic--Washington (D.C.)--Pictorial works.
Historic buildings--Washington (D.C.)--Pictorial works.
Monuments--Washington (D.C.)--Pictorial works.
Public buildings--Washington (D.C.)--Pictorial works.
Washington (D.C.)--Pictorial works.
Harvard subject headings:
Washington (D.C.)
Princeton subject headings: