- Iowa Tribe of Oklahoma12
- Javits, Jacob K. (Jacob Koppel), 1904-19862
- Johnson, Lyndon B. (Lyndon Baines), 1908-19732
- Johnson, Thoron A.3
- Jones, Jenkin Lloyd, 1911-20041
- Joyce, J. Wallace1
- Kansas. Special Education Administration Section1
- Katzenbach, Nicholas deB. (Nicholas deBelleville), 1922-20123
- Kaw Indian Tribe of Oklahoma2
- Kennedy, John F. (John Fitzgerald), 1917-19631
- Kennedy, Robert F., 1925-19681
- Keppel, Francis, 1916-19902
- Kickapoo Nation2
- Kilpatrick, James Jackson, 1920-20101
- Kiowa Tribe of Oklahoma10
- Kuchel, Thomas H.10
- Laird, Melvin R.2
- Levitt, William, 1907-19941
- Library Of Congress. Legislative Reference Service.1
- Long, Oren E. (Oren Ethelbirt), 1889-19652
