Creator
- Koochiching County Abstract Co1
- Krenz, Kelly A.1
- Kuhns, Mary Jo P.1
- L.T. Felland & Co.1
- Len Kne1
- Lipman, Louis1
- Listerud, W.H.1
- Lithy, Graham1
- Lowry, Thomas, 1843-19091
- Luo, Yuanyuan1
- Lusardi, Barbara, A1
- Maki, Geri L.1
- Marken, William J.1
- Marschner, Francis, 1882-19661
- Marshall County Land Co. (Warren, Minn.)1
- Martin, Christopher1
- Martin, Ralph (Delineator)1
- Mathez, E.A.1
- Matson, H. C.1
- Mattson, L. A. (Lewis Arthur), 1931-1