Lenin about statistical censuses

Voronov, Ivan KarpovichLenin about statistical census: Edition of Voronezh Gubafatburo / IV.K.Voronov.- Voronezh: [type-lit.GSH], 1926. -26 s .. -.1. Russia, 1861 - the mid-90s of the XIX century.- Territory and population - sources - statistical materials.2. Russia, the mid-90s.XIX century- 1917 - Territory and Population - Sources - Statistical Materials.Electronic Source: PB