From "The Life of St. Nina, Equal of the Apostles & Enlightener of Georgia, with the Service," published by Holy Trinity Monastery, Jordanville, NY, 1999.
From "A Select Library of Nicene and Post-Nicene Fathers of the Christian Church." Edited by Philip Schaff and Henry Wace. Second Series, Volume V, 1893. Repr., Peabody: Hendrickson, 1999. Access online at: https://ccel.org/ccel/schaff/npnf205/npnf205.xii.iii.html
From “An Extraordinary Peace: St. Seraphim, Flame of Sarov” by Archimandrite Lazarus (Moore), pp. 112-138, published by Anaphora Press, 2009 (anaphorapress.com). To learn more, visit the Father Lazarus Moore Foundation (frlazarusmoore.com).
From "Select Sermons", by Metropolitan Philaret of Moscow, published in 1873 by Joseph Masters, London, and available in digital format for free through Google Books.
From "The Great Collection of the Lives of the Saints, Vol. V: January," trans. Fr. Thomas Maretta, published by Chrysostom Press, 2000. (Available from St. Herman Press)
From "The Great Collection of the Lives of the Saints, Vol. IV: December," trans. Fr. Thomas Maretta, published by Chrysostom Press, 2000. (Available from St. Herman Press)
From "Homilies: A Commentary on the Gospel Readings for Sundays and Feast Days Throughout the Year", trans. by Mother Maria, published by Lazarica Press, 1996.