- Dole, Robert J., 1923-20211
- Downey, Sheridan, 1884-19611
- Erik Skaggs1
- Harriman Communications Center1
- Higgins Industries1
- Ickes, Harold L. (Harold LeClair), 1874-19521
- Jackson, Samuel Dillon, 1895-19511
- Laguens, Hamburger and Stone1
- Lathrom, Donald M.1
- Library of Congress. Legislative Reference Service. American Law Division1
- Lowe, Frank E., 1885-19681
- McCarthy, Marcus and Hennings, Ltd.1
- McKellar, Kenneth Douglas, 1869-19571
- McLaughlin, John J.1
- Media Strategies and Research1
- Pinch, John W.1
- Politics, Inc.1
- Sayers, R. R. (Royd Ray), 1885-19651
- Searle, E. C.1
- Seder, Laguens and Hamburger1
