Columbia subject headings:
Architectural drawing--Washington (D.C.)--19th century--Exhibitions.
Architecture, Victorian--Washington (D.C.)--Designs and plans--Exhibitions.
Dwight D. Eisenhower Executive Office Building (Washington, D.C.)--Designs and plans--Exhibitions.
Mullett, A. B. (Alfred Bult), 1834-1890--Exhibitions.
Octagon (Washington, D.C.)--Exhibitions.
Von Ezdorf, Richard, 1848-1926--Exhibitions.
Washington (D.C.)--Buildings, structures, etc.
Harvard subject headings:
Architectural drawing--19th century--Washington (D.C.)--Exhibitions.
Architecture, Victorian--Washington (D.C.)--Designs and plans--Exhibitions.
Dwight D. Eisenhower Executive Office Building (Washington, D.C.)--Exhibitions.
Mullett, A. B. (Alfred Bult), 1834-1890--Exhibitions.
United States. National Archives and Records Administration. Cartographic and Architectural Branch--Exhibitions.
Von Ezdorf, Richard, 1848-1926--Exhibitions.
Washington (D.C.)--Buildings, structures, etc.--Pictorial works--Exhibitions.
Princeton subject headings:
Architectural drawing--19th century--United States--Exhibitions.
Mullett, A. B. (Alfred Bult), 1834-1890--Exhibitions.
Old Executive Office Building (Washington, D.C.)--Exhibitions.
Von Ezdorf, Richard, 1848-1926--Exhibitions.
Washington (D.C.)--Buildings, structures, etc.--Exhibitions.