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Mong Ih-Ren 2014, p. 59. Mong Ih-Ren, Ambrose (2014). "Return to Orthodoxy: An Examination of Jaroslav Pelikan's Embrace of the Eastern Faith". International Journal of Orthodox Theology. 5 (1): 59–83. ISSN2190-0582. urn:nbn:de:0276-2014-1049.