Nikol'skij, D. P. 1899. Bashkiry. E tnograficheskoei sanitamo-antropologicheskoeis sledovanie (Bashkirs: Ethnographic and Medical-Anthropological Study). (Doctoral dissertation, Imperatorskajav oennajam editsinskaja akademija).
@phdthesis{nikolskij1899, address = {St. Petersburg}, author = {Nikol'skij, D. P.}, key = {Nikol'skij (1899)}, school = {Imperatorskajav oennajam editsinskaja akademija}, title = {Bashkiry. E tnograficheskoei sanitamo-antropologicheskoeis sledovanie (Bashkirs: Ethnographic and Medical-Anthropological Study)}, year = {1899} }