- Interstate Commission on the Potomac River Basin.3
- Johnson, David Dale. 3
- Kentucky Historical Society.3
- Kerr, Lorin E., 1909-3
- Kilgore, Harley Martin, 1893-1956.3
- Knights of Pythias. Grand Lodge of West Virginia.3
- Knowlton, H. E. (Harry E.), 1890-3
- Larson, James E. (James Edward), 1915-3
- Lewis County Convention and Visitors Bureau (Weston, W. Va.)3
- Lewis, John L. (John Llewellyn), 1880-1969.3
- Lewisburg Visitor's Center (Lewisburg, W. Va.)3
- Lucas, Henry L.3
- Lugar, Marlyn E. (Marlyn Edward)3
- Marietta Electric Company.3
- Marshall University. Department of Home Economics.3
- Marshall, Carl A.3
- Martinsburg-Berkeley County Convention and Visitors Bureau (Martinsburg, W. Va.)3
- Maryland. Hall of Records Commission.3
- McBride, W. Wayne.3
- McClung, James D.3
