| Source: Official Army Register of the Volunteer Force of the United States Army for the Years 1861, '62, '63, '64, '65. Part VII Location: 973.741 / Un3r | |
 | |
| Last Name: | Rettberg |
| First Name: | Herman |
| Middle Name: | O. |
| Rank: | Captain |
| Regiment: | Seventeenth Regiment, Missouri Infantry |
| Page: | 102 |
