- Mattes’ handwritten and typed notes from Huntington Library, including various diary excerpts.
- 70 Pages
Box 2.1.2.F51 Part 1 Notes – Huntington Library 101-end
Box 2.1.2.F50 Part 3 Notes – Huntington Library 1-100
- Mattes’ typed notes from Huntington Library, including various diary excerpts.
- 42 Pages
Box 2.1.2.F50 Part 2 Notes – Huntington Library 1-100
- Mattes’ handwritten and typed notes from Huntington Library, including various diary excerpts.
- 70 Pages
Box 2.1.2.F50 Notes Part 1- Huntington Library 1-100
- Mattes’ handwritten and typed notes from Huntington Library, including various diary excerpts
- 71 Pages
Box 2.1.2.F49 Notes – Iowa State Historical Society Division of Historical Museum and Archives
- Mattes’ handwritten notes from Iowa State Historical Society
- 6 Pages
Box 2.1.2.F48 Notes Iowa University Library
- Mattes’ handwritten notes from Iowa State Historical Society
- 6 Pages
Box 2.1.2.F47 Iowa State Historical Society
- Mattes’ handwritten notes from Iowa State Historical Society
- 30 Pages
Box 2.1.2.F46 Notes – Missouri Historical Society
- Mattes’ handwritten and typed notes from Missouri Historical Society
- 45 Pages
Box 2.1.2.F45 Notes – Missouri University Historical Collection – State Historical Society of Missouri
- Mattes’ handwritten notes from the State Historical Society of Missouri
- 31 Pages
Box 2.1.2.F44 Notes – KC Public Library
- Mattes’ handwritten notes from Kansas State Historical Society, Kansas University, and Kansas City Public Library
- 4 Pages
Box 2.1.2.F43 Notes – Kansas University Spencer Library
- Mattes’ handwritten notes
- 19 Pages
Box 2.1.2.F42 Notes-Kansas Historical Society
- 24 Pages
- Mattes’ handwritten notes
Box 2.1.2.F41 Notes From Brigham Young University Library
- 76 Pages
- Mattes’ handwritten notes
Box 2.1.2.F40 – Notes From Marriott Library University of Utah
- 36 Pages
- Mattes’ handwritten notes
Box 2.1.2.F39 Part 2 – Notes From Utah Historical Society
- 8 Pages
- Mattes’ handwritten notes