| Surname | First name | Pseudonym | Year of birth | Fond No. | Inventory No. | File No. |
|---|---|---|---|---|---|---|
| Fridrichas | Josepas | - | - | 77 | 28 | 2804 |
| Fridrichas | Juozas | - | 1899 | V-135 | 7 | 13 |
| Fridrichavičius | Česlovas | - | 1958 | V-4 | 2 | 2 |
| Fridrichienė | Emilija | - | 1889 | L-3 | 4 | 1 |
| Fridrichienė | Ona | - | 1898 | V-135 | 7 | 13 |
| Fridrichovič | Kazimir | - | 1914 | V-135 | 7 | 4 |
| Fridrichsdorf | Otto | - | - | K-15 | 1 | 293 |
| Fridrichsen | Elkė | - | 1933 | K-1 | 61 | 18 |
| Fridrichsen | Jochan | - | 1931 | K-1 | 61 | 18 |
| Fridrichson | Albinas | - | 1897 | V-135 | 6 | 11 |
| Fridrichson | Hugo | - | 1890 | K-15 | 1 | 292 |
| Fridrichsonas | - | - | - | 3377 | 55 | 65 |
| Fridrichsonas | - | - | - | 3377 | 55 | 66 |
| Fridrichsons | Albinas | - | 1897 | K-1 | 61 | 88 |
| Fridrichytė | Veronika | - | 1933 | V-135 | 7 | 13 |
| Fridricienė | Elzė | - | 1921 | K-1 | 60 | 2318 |
| Fridricienė | Elzė | - | 1921 | L-3 | 4 | 1 |
| Fridricienė | Ema | - | 1899 | L-3 | 3 | 676 |
| Fridricienė | Ema | - | 1899 | L-3 | 4 | 1 |
| Fridricienė | Emma | - | 1899 | K-1 | 60 | 2117 |
