17. Orozbekova Zh. Mesta pogrebenii kak obiekt pokloneniya kyrgyzov v Alaiskoi doline Kyrgyzstana (na primere mazara Kurtuk-Ata) [The place of burials as the object of worship in the Alai valley of Kyrgyzstan (on the example of Mazar of Kurtuk-Ata)]. Vestnik Novosibir- skogo gosudarstvennogo universiteta. Seriya: Istoriya, filologiya [The Bulletin of the Novosibirsk State University. Series: History, Philology]. 2013, Vol. 12, Is. 3: Archaeology and Ethnography, pp. 287-291. (in Russ.)
18. Pletneva S. A. Polovetskie kamennye izvayaniya [Polovtsian stone sculptures]. Moscow, Nauka, 1974a, 200 p. (in Russ.)
19. Pletneva S. A. Zhenskaya polovetskaya statuya s rebenkom [Women's Polovtsian statue with child]. Sovetskaya arkheologiya [Soviet Archaeology]. 1974b, Is. 3, pp. 258-262. (in Russ.)
20. Polidovich Yu. B., Usachuk A. N. Vtoraya zhizn srednevekovykh kamennykh izvayanii [Second life of medieval stone sculptures]. Stepi Evropy v epokhu srednevekovya. T. 10. Polovetskoe vremya [Steppes of Europe in the Middle Ages. Vol. 10. Polovtsian time]. Donetsk, Donetsk National University Publ., 2012, pp. 199-260. (in Russ.)
21. Shaniyazov K. Uzbeki-karluki (istoriko-etnograficheskii ocherk) [Uzbek-Karluks (historical and ethnographic essay)]. Tashkent, Nauka Publ., 1964, 195 p. (in Russ.)
22. Tolstoi N. I. Iz «grammatiki» slavyanskikh obryadov [From the "grammar" of the Slavic rites]. Tipologiya kultury. Vzaimnoe vozdeistvie kultur. Uchenye zapiski Tartuskogo gosudarstvennogo universiteta [Typology of culture. Mutual influence of cultures. Scientific notes of Tartu State University]. Tartu, 1982, Is. 576, pp. 57-71. (in Russ.)
23. Veselovskii N. I. Sovremennoe sostoyanie voprosa o «kamennykh babakh» ili «bal- balakh» [The current status of the question about"stone broads" or "balbal"]. Odessa, 1915, 39 p. (in Russ.)