Columbia subject headings:
Architectural inscriptions--Washington (D.C.)
Library architecture--Washington (D.C.)
Library decoration--Washington (D.C.)
Library of Congress--Buildings.
National libraries--Washington (D.C.)
Washington (D.C.)--Buildings, structures, etc.
Harvard subject headings:
Architectural inscriptions--Washington (D.C.)
Library architecture--Washington (D.C.)
Library decoration--Washington (D.C.)
Library of Congress--Buildings.
National libraries--Washington (D.C.)
Washington (D.C.)--Buildings, structures, etc.
Princeton subject headings:
Architectural inscriptions--Washington (D.C.).
Library architecture--Washington (D.C.).
Library decoration--Washington (D.C.).
Library of Congress--Buildings.
National libraries--Washington (D.C.).
Washington (D.C.)--Buildings, structures, etc.