Titsian A. Moscow Parishes in the End of the 19th - Beginning of the 20th Centuries: Share of Believers Participating in Sacraments of Confession and Communion Among Urban Orthodox Citizens // State, Religion and Church. 2018. Vol. 36, no. 2. P. 315–342. https://doi.org/10.22394/2073-7203-2018-36-2-315-342