The history of church organizations in the 1920s. in the Don region is one of the little-studied issues of historical science. The documents of five archives published in this collection give an idea of ​ ​ one of the aspects of the policy of the Soviet state in relation to the Russian Orthodox Church: they show how the policy of seizing church values ​ ​ was carried out in the Don, what methods were used, and what was the reaction of the population.