Survey of Minnesota repositories with holdings of immigrant letters
| Name | City | URL | Collection title | Volume | Letters | Diaries | Memoirs | Date range | Language | Nativity |
| Southern Minnesota Historical Center Minnesota State University, Mankato |
Mankato | http://lib.mnsu.edu/archives/ | ||||||||
| Foulke, Roy Anderson | 1 volume, 103 pages | yes | 1977 | English | Danish | |||||
| Geschwind, Peter | 1/2 Hollinger box, .22 cubic feet | yes | 1868 - 1922 | German? | Luxembourg | |||||
| Gregerson, George A. | 1 folder | yes | 1880-1904 | Not listed | Norwegian | |||||
| Olsen-Svedjan, John and Family | 1/2 hollinger, .21 cubic feet | yes | 1908-1926 | Norwegian | Norwegian | |||||
| Winter, August Edward | 1 folder | yes | 1861-1865 | transcribed photocopy, from German to English | German | |||||