| Surname | First name | Pseudonym | Year of birth | Fond No. | Inventory No. | File No. |
|---|---|---|---|---|---|---|
| Firsov | Nikolaj | - | 1931 | K-1 | 61 | 109 |
| Firsov | Nikolajus | - | - | 1771 | 3 | 2331 |
| Firsov | Oleg | - | 1957 | V-147 | 1 | 99 |
| Firsov | Oleg | - | 1957 | V-147 | 2 | 92 |
| Firsov | Piotr | - | 1909 | K-1 | 61 | 109 |
| Firsov | Prokopij | - | 1877 | K-15 | 1 | 291 |
| Firsov | Sergej | - | 1960 | V-145/40 | 2 | 3 |
| Firsov | Sergej | - | 1954 | V-147 | 1 | 98 |
| Firsov | Stepan | - | - | V-147 | 49 | 2 |
| Firsov | Vasilij | - | - | 3465 | 9 | 143 |
| Firsov | Vasilij | - | 1920 | V-4 | 1 | 55382 |
| Firsov | Vasilij | - | 1920 | V-4 | 2 | 2 |
| Firsov | Vasilij | - | - | 3465 | 3 | 16 |
| Firsov | Viačeslav | - | 1951 | V-147 | 2 | 91 |
| Firsov | Viktor | - | - | 4058 | 39 | 304 |
| Firsov | Vladimir | - | 1926 | V-147 | 49 | 1 |
| Firsov | Vladimir | - | 1951 | V-147 | 1 | 119 |
| Firsov | Vladimir | - | 1951 | V-147 | 1 | 120 |
| Firsov | Vladimir | - | 1951 | V-147 | 1 | 123 |
| Firsov | Vsevolod | - | 1940 | V-147 | 2 | 92 |