Columbia subject headings:
National Portrait Gallery (Smithsonian Institution)--Catalogs.
Portraits, American--Catalogs.
Portraits--Washington (D.C.)--Catalogs.
Harvard subject headings:
National Portrait Gallery (Smithsonian Institution)--Catalogs.
Portraits, American--Catalogs.
Portraits--Washington (D.C.)--Catalogs.
United States--Biography--Portraits--Catalogs.
Princeton subject headings: