The Liturgical Prescriptions of the Horologion from the Holy Trinity-St. Sergius Lavra Collection of the Russian State Library № 17 and Slavic Translations of the Sabbaite Typicon Read more about The Liturgical Prescriptions of the Horologion from the Holy Trinity-St. Sergius Lavra Collection of the Russian State Library № 17 and Slavic Translations of the Sabbaite Typicon
