Names
- Humphrey, Watts S.1
- Hunsaker, Walter Jerome, 1857-1939.1
- Hutchins, Harry Burns, 1847-1930.1
- Hutchins, Robert Maynard, 1899-1977.1
- Ickes, Harold L. (Harold LeClair), 1874-1952.1
- Illinois Birth Control League.1
- Immigration Restriction League.1
- Institute of International Education (New York, N.Y.)1
- International Anti-Narcotic League.1
- International Narcotic Education Association.1
- Kahn, Albert, 1869-1942.1
- Kahn, Reuben L. (Reuben Leon), 1887-1979.1
- Karpinski, Louis Charles, 1878-1956.1
- Kelley, Patrick Henry, 1867-1925.1
- Kellogg, Frank B. (Frank Billings), 1856-1937.1
- Kellogg, John Harvey, 1852-1943.1
- Kelly, Harry F. (Harry Francis), 1895-1971.1
- Kelly, Howard A. (Howard Atwood), 1858-1943.1
- Kelsey, Francis W. (Francis Willey), 1858-1
- Kelsey, Francis Willey, b. 1858.1