File Copies of Probate Court records from the National Archives (350 files): I-yolk or I-yock, Henry, case#56241-19, Indian Agency: Mount Pleasant, 1919-1920 Box 4, F 33 In: Papers, 1815, 2010, and undated » Mark Keller Papers.
File Reference Files: Background, L'Anse Chippewa Land, 1883-1981 Box 5, F 14 In: Papers, 1815, 2010, and undated » Mark Keller Papers.
File User Copies of all 350 files, 1914-1947 Box 8, F 1 In: Papers, 1815, 2010, and undated » Mark Keller Papers.