| Language of publication | Number |
| Total | 14321 |
| Czech | 12759 |
| Czech and other languages | 556 |
| English | 500 |
| French | 27 |
| Italian | 11 |
| German | 137 |
| Polish | 23 |
| Russian | 17 |
| Slovak | 43 |
| Spanish | 13 |
| Multilingual (except Czech) | 219 |
| Dutch | 7 |
| Japanese | 3 |
| Esperanto | 2 |
| Bulgarian | 1 |
| Finnish | 1 |
| New Hebrew | 1 |
| Classical Latin | 1 |