Columbia subject headings:
Harvard subject headings:
Guidebooks
Historic buildings--Washington (D.C.)
Monuments--Washington (D.C.)--Guidebooks.
Public architecture--Washington (D.C.)--Classical influences--Guidebooks.
Washington (D.C.)--Buildings, structures, etc.--Tours.
Washington (D.C.)--Guidebooks
Washington (D.C.)--Tours.
Princeton subject headings:
Classicism in architecture--Washington (D.C.).
Guidebooks.
Historic buildings--Washington (D.C.)--History.
Washington (D.C.)--Buildings, structures, etc.--History.
Washington (D.C.)--Guidebooks.