Names
- Knappen, Loyal Edwin, 1854-1930.1
- Knutson, Harold, 1880-1963.1
- Krieger, Louis C.1
- Lagonda (Ship)1
- Lake County Railroad.1
- Lake George and Muskegon River Railroad Company.1
- Lake Shore & Michigan Southern Railway.1
- Lake Superior and Ishpeming Railway Company.1
- Lane, Victor Hugo, 1852-1930.1
- Lawrence, David Leo, 1889-1966.1
- Leland, Frank Bruce.1
- Little, Clarence C. (Clarence Cook), 1888-1
- Little, Clarence C. (Clarence Cook), 1888.1
- Lloyd, Alice Crocker, 1893-1950.1
- Lobdell-Bailey Manufacturing Company.1
- Lombard, Warren P. (Warren Plimpton), 1855-1939.1
- Lorch, Emil, 1870-1963.1
- Loud Bros.1
- Louis Sands Salt and Lumber Company (Manistee, Mich.)1
- Ludington and Northern Railway Company.1