| Surname | First name | Pseudonym | Year of birth | Fond No. | Inventory No. | File No. |
|---|---|---|---|---|---|---|
| Kogan | Jakov | - | 1917 | L-3 | 4 | 1 |
| Kogan | Jakov | - | - | 3399 | 53 | 674 |
| Kogan | Jakov | - | 1919 | V-147 | 49 | 1 |
| Kogan | Jakub | - | - | 1 | 5 | 4 |
| Kogan | Jankel | - | - | V-135 | 7 | 2 |
| Kogan | Jankel | - | 1889 | V-135 | 7 | 2 |
| Kogan | Jankel | - | 1889 | V-135 | 7 | 3 |
| Kogan | Jankel | - | 1889 | V-135 | 7 | 3 |
| Kogan | Jankel | - | 1916 | L-3 | 4 | 1 |
| Kogan | Jankelis | - | 1906 | K-15 | 1 | 294 |
| Kogan | Jaži | - | - | V-135 | 7 | 2 |
| Kogan | Jefim | - | 1948 | K-1 | 60 | 34756 |
| Kogan | Jefim | - | 1948 | L-3 | 4 | 1 |
| Kogan | Jefim | - | 1954 | K-1 | 60 | 14189/21 |
| Kogan | Jefim | - | 1954 | L-3 | 4 | 1 |
| Kogan | Jelizaveta | - | 1935 | L-3 | 4 | 1 |
| Kogan | Jevgenij | - | 1922 | V-147 | 49 | 1 |
| Kogan | Jevgenij | - | 1947 | V-147 | 2 | 85 |
| Kogan | Jevgenija | - | - | 1771 | 279 | 643 |
| Kogan | Jevgenija | - | - | 3406 | 20 | 529 |
