Edinoverie (English Wikipedia)

Katunin, Yu.A. (Катунин Ю. А.); Belsky, A.V. (Бельский А. В.) (2006), "ЭТАПЫ БОРЬБЫ ЗА СОЗДАНИЕ ЦЕРКВИ У СТАРООБРЯДЦЕВ] (Stages of the struggle for creating a church among the Old Believers)" (PDF), Культура народов Причерноморья (Culture of the peoples of the Black Sea region) (in Russian) (81): 106–109, archived from the original (PDF) on 2008-02-29, retrieved 2008-01-16

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Katunin, Yu.A. (Катунин Ю. А.); Belsky, A.V. (Бельский А. В.) (2006), "ЭТАПЫ БОРЬБЫ ЗА СОЗДАНИЕ ЦЕРКВИ У СТАРООБРЯДЦЕВ] (Stages of the struggle for creating a church among the Old Believers)" (PDF), Культура народов Причерноморья (Culture of the peoples of the Black Sea region) (in Russian) (81): 106–109, archived from the original (PDF) on 2008-02-29, retrieved 2008-01-16
"Russian Byzantine Catholic Churches: News and Recent Events: Normalization of the Canonical Position of the Catholics of Byzantine Rite in Russia". Archived from the original on 2008-05-09. Retrieved 2008-06-29.