Columbia subject headings:
United States--Description and travel.
United States--Social life and customs.
Washington (D.C.)--Description and travel.
Harvard subject headings:
United States--Description and travel.
United States--Social life and customs.
Washington (D.C.)--Description and travel
Princeton subject headings:
United States--Description and travel.
United States--Social life and customs.
Washington (D.C.)--Description and travel.