Malykh Svetlana V. «Advertisement in the periodical press of Eastern Siberia from 1880s to the beginning of the 20th century» // 2011. №346 C.74-76
Biktimirov N.M., Gaisin M.I. «Ethnic Aspects of Migration in the Republic of Tatarstan in the 20 century» // 2009. №319 C.77-79
