1. Abayev V. (1958), Istoriko-etimologičskij slovar' ossetinskogo jazyka, Vol. 1, Izdatel'stvo Akademii nauk SSSR, Moscow and Leningrad. (In Russian).
2. Abayev V. (1979), Istoriko-etimologičskij slovar' ossetinskogo jazyka, Vol. 3, Nauka, Leningrad. (In Russian).
3. Abayev V. (1989), Istoriko-etimologičskij slovar' ossetinskogo jazyka, Vol. 4, Nauka, Leningrad. (In Russian).
4. Ačaṙyan H. (1971), Hayeren armatakan baṙaran, Yerevan. (In Armenian).
5. Asatrian G. (1991), "Zametki ob azari - isčeznuvšem jazyke Azerbaijana", in K osvešeniju problem istorii i kul'tury Kavkazskoj Albanii i vostočnyx provintsij Armenii, Vol. 1, Yerevan, pp. 484-92. (In Russian).