Beglov A., Tokareva E., Fadeyev I. Catholic Liturgical Practices in Soviet Russia in the 1920s and 1930s: Canonical Norms and Anomalies // State, Religion and Church. 2020. Vol. 38, no. 4. P. 265–293. https://doi.org/10.22394/2073-7203-2020-38-4-265-293