| Source: Civil War–era loyalty oaths, 1861-1871, Dexter
P. Tiffany Collection Location: Dexter P. Tiffany Collection, Archives | |
 | |
| Last Name: | Helmkamp |
| First Name: | H. |
| Middle Name: | H. |
| Collection: | Dexter P. Tiffany Collection |
| Box: | 66 |
| Folder: | 3 |
| Date of Document: | 10/27/1864 |
