- Washington (D.C.)--Aerial film and video footage.5
- Aeronautics--United States.4
- American Red Cross.4
- Arlington National Cemetery (Arlington, Va.)4
- Arnold, Henry Harley, 1886-1950.4
- Band music.4
- Biplanes.4
- Bonus Expeditionary Forces.4
- Buildings.4
- Costume.4
- Dance.4
- Debt.4
- Hull, Cordell, 1871-1955.4
- Ickes, Harold L. (Harold LeClair), 1874-1952.4
- Lamont, Robert P. (Robert Patterson), 1867-1948.4
- Legislators.4
- Lobbying--Law and legislation.4
- Mall, The (Washington, D.C.)4
- Medal of Honor.4
- Motion picture industry.4