References

Duryagin, G.M., 1982. Through the Flames of War. Tatar Book Publishing House, Kazan, Russia, Pages: 144.

Efremov, A.V., 1981. City of Good Fortune: A Historical Sketch. Tatar Book Publishing House, Kazan, Russia, Pages: 263.

Girfanov, F.I., 1982. Zelenodolsk is Half a Century. Tatar Book Publishing House, Kazan, Russia, Pages: 192.

Grachev, E., 1965. The Struggle for Soviet Power in Bugulma and Bugulminsky District in 1917-1920. Tatar Book Publishing House, Kazan, Russia,.

Mulyukov, F.N., 2002. It will be Hard, My Heart will Hit. Project Gutenberg Self-Publishing, Bugulma, Russia, Pages: 424.

Salnikov, V.G., 2000. Bugulma Zemstvo: Cases, Concerns and Dreams. Bugulma Publisher, Bugulma, Russia, Pages: 380.