A few words about the Vedomosti about the population of Russia, drawn up at the Statistical Department of the Council of the Ministry of Internal Affairs A.K. (SPB 1850 48 pp. In the 8th d.) / [P. Keppen]. - St. Petersburg: type. Imp. Acad. Sciences, 1850. - 15 p. ; 28. - Author. indicated at the end of the text
1. Power (collection). 2. The people (the collection). 3. The population - Russia - 18-19 centuries.