| bos | Bosnian See: Bosnian Language |
| cau | Abkhaz |
| cau | Adyghe |
| alb | Albanian |
| tut | Altai |
| tut | Altaic (Other) |
| arm | Armenian |
| aze | Azerbaijani |
| tut | Balkar Use: Karachay-Balkar See also: Classification of Literary Authors |
| bat | Baltic (Other) |
| bak | Bashkir See also: Classification of Literary Authors |
| cau | Bats |
| bel | Belarusian |
| bul | Bulgarian |
| tut | Buriat |
| sla | Cakavian |
| cau | Caucasian (Other) |
| chg | Chagatai |
| che | Chechen |
| chu | Church Slavic |
| chv | Chuvash |
| tut | Crimean Tatar See also: Classification of Literary Authors |
| sla | Czech, Old (to 1500) |
| cze | Czech |
| tut | Dagur |
| cau | Dargwa |
| fiu | Erzya |
| est | Estonian |
| tut | Even |
| tut | Evenki |
| fin | Finnish |
| fiu | Finno-Ugrian (Other) |
| geo | Georgian |
| tut | Greek Tatar |
| hun | Hungarian |
| fiu | Ingrian |
| cau | Ingush |
| cau | Kabardian |
| tut | Kalmyk |
| kaa | Kara-Kalpak See also: Classification of Literary Authors |
| tut | Karachay-Balkar See also: Classification of Literary Authors |
| fiu | Karelian |
| sla | Kashubian |
| kaz | Kazakh See also: Classification of Literary Authors |
| tut | Khakass |
| tut | Khalaj |
| fiu | Khanty |
| tut | Kipchak |
| kir | Kirghiz See also: Classification of Literary Authors |
| fiu | Komi |
| fiu | Komi-Permyak |
| cau | Lak |
| lav | Latvian |
| lit | Lithuanian |
| fiu | Livonian |
| fiu | Ludic |
| mac | Macedonian |
| tut | Manchu |
| fiu | Mansi |
| fiu | Mari |
| tut | Moghol |
| fiu | Moksha |
| mol | Moldavian |
| mon | Mongolian |
| tut | Monguor |
| fiu | Mordvin |
| tut | Nanai |
| tut | Nogai See also: Classification of Literary Authors |
| tut | Northern Altai |
| tut | Oirat |
| sla | Polabian |
| pol | Polish |
| bat | Prussian |
| bat | Prussian |
| rum | Romanian |
| rom | Romany |
| sla | Russian, Old (to 1300) |
| rus | Russian |
| scr | Serbo-Croatian (Roman) |
| scc | Serbo-Croatian (Cyrillic) |
| sla | Slavic (Other) |
| slo | Slovak |
| slv | Slovenian |
| wen | Sorbian languages |
| cau | Svan |
| cau | Tabasaran |
|
tjk
was: taj | Tajik |
| tat was: tar | Tatar See also: Classification of Literary Authors |
| tut | Turkish, Old (to 1500 |
| tuk | Turkmen |
| tut | Tuvinian |
| cau | Ubykh |
| fiu | Udmurt |
| uig | Uigur |
| sla | Ukrainian, Old (ca. 1300-1700) |
| ukr | Ukrainian |
| wen | Upper Sorbian |
| cau | Urartian |
| uzb | Uzbek |
| fiu | Veps |
| tut | Yakut |