Names
- International Union of Electronic, Electrical, Salaried, Machine, and Furniture Workers1
- James, Davidson1
- Javits, Jacob K. (Jacob Koppel), 1904-1986.1
- Johanson, Donald C.1
- Johnson, U. Alexis (Ural Alexis), 1908-1997.1
- Johnson, William R.1
- Juke family1
- Junger, Ernst, 1895-1998.1
- Kappa Delta Sorority1
- Knight, Max.1
- Knolls Research Laboratory1
- Labor Union Democracy--United States1
- League of Nations1
- Lederer, Emil, 1882-19391
- Lederer, Gertrud1
- Lee (Leland) N. Vedder--1887-19631
- Leese, Holly.1
- Legislative Correspondents' Association of the State of New York1
- Lemnitzer, Lyman L. (Lyman Louis), 1899-1988.1
- Leser, Albert1