Chigin S. Mordva-Moksha-Oshcher (religious beliefs, songs) Spassky district, Tambov province.

Chigin S. Mordva-Moksha-Oshcher (religious beliefs, songs) Spassky district, Tambov province.- 1903. -Agreement No. 24 of 02/12/2016 Grade 40 of the manuscript of the works of members of the Russian Geographical Society and separate documents in the Tambov province, case 39..Electronic copy source: PB