All-Russia population census of 1920. Simbirsk Province / USSR, Simb. lips. stat. bureau, section demogr. statistics. - Simbirsk: publication of the Simbirsk Statistical Bureau, 1923. - [4], IV, 125 p. : tab. - 250 copies.
.
1. The people (the collection). 2. Population - Censuses - Simbirsk Province - 1920.