- Farmers.1
- Fess, Simeon D. (Simeon Davidson), 1861-1936.1
- Fleming, Wallace Bruce, 1872-1952.1
- Gambling--Economic aspects.1
- Gambling--Law and legislation.1
- Hannegan, Robert E. (Robert Emmet), 1903-1949.1
- Hoover, Herbert, 1874-1964.1
- International relations.1
- Landon, Alfred M. (Alfred Mossman), 1887-1987.1
- Law.1
- Legislators.1
- Longworth, Nicholas, 1869-1931.1
- Lotteries.1
- Marching bands--United States.2
- Martin, Edward, 1879-1967.1
- Mayflower Hotel (Washington, D.C.)1
- Methodist universities and colleges.1
- Mills, Ogden Livingston, 1884-1
- Motion picture journalists--United States--History.1
- Natural resources.1