Try searching for your specific building and for related concepts such as the architect, style, or region of your building.
Architecture -- Washington (D.C.)
Washington (D.C.) -- Buildings, structures, etc.
Architectural style/type terms:
Art deco (Architecture)
Specific buildings and architects:
Hirshhorn Museum and Sculpture Garden
Latrobe, Benjamin Henry
Pei, I. M.
This is a selected list of books regarding Washington, DC architecture. Search your style, architect, or building in the library catalog to find much more.