| 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 | |
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| Last Name: | Butts |
| First Name: | Robert |
| Middle Name: | L. |
| Rank: | Captain |
| Regiment: | 16th Regiment, Missouri Cavalry |
| Page: | 47 |
