- Laingen, L. Bruce (1)
- Laitinen, Herbert A. (1)
- Lake County Abstract Company (Two Harbors, Minn.) (1)
- Lake, Arthur (1)
- Lakeland Chamber of Commerce (1)
- Lakso (Engineer) (2)
- Lam, Miriam Beevi (2)
- Lamb, Francis (1)
- Lamb, Francis (engraver) (1)
- Lambach, H (1)
- Lambert, Gene (1)
- Lambert, Sarah (1)
- Lamborn, Charles B (1)
- Lamoreux, Silas W (1)
- Lampman, Robert (1)
- Land, Emory Scott, 1879-1971 (2)
- Landa, Mark (1)
- Landecker, Hannah (2)
- Lander, Joseph (2)
- Lander, Joseph M.D. (1)
