| Subject Category | Number of Documents |
|---|---|
| North Dakota History | 75 |
| Regional History | 71 |
| Family History | 27 |
| Civic Anniversary | 15 |
| North Dakota Civil | 13 |
| US History | 20 |
| North Dakota Biography | 7 |
| Scrapbook | 7 |
| General Reference | 6 |
| Atlas | 6 |
| Technology | 6 |
| Religion | 7 |
| Regional Biography | 4 |
| Photographs | 3 |
| Music | 4 |
| Poems | 3 |
| Regional Autobiography | 3 |
| Construction | 2 |
| Essays | 2 |
| Wildlife | 2 |
| Norwegian Biography | 2 |
| Fiction | 1 |
| Total | 292 |