Source Ars moriendi (Wikipedia)
Source De Arte Cabalistica (Wikipedia)
Source Encyclopedia of ReligionMircea Eliade (ed.); Lindsay Jones (ed., 2nd ed.)
Source Ebrach Abbey (Wikipedia)
Source Evangelist Saint Mark writing the Gospel with his symbol, the Lion, holding a scroll, accession 17.190.36 (Metropolitan Museum of Art)
Source Hildegard of Bingen (Wikipedia)
Source Religious Celebrations: An Encyclopedia of Holidays, Festivals, Solemn Observances, and Spiritual CommemorationsJ. Gordon Melton (editor)
Source Encyclopedia of ReligionMircea Eliade (ed.); Lindsay Jones (ed., 2nd ed.)
Source Loccum Abbey (Wikipedia)
Source Lutheran World Federation (Wikipedia)Wikipedia contributors
Source Malleus Maleficarum (Wikipedia)
Source Martin Luther (Wikipedia)Wikipedia contributors
Source Meister Eckhart (Wikipedia)
Source Encyclopedia of ReligionMircea Eliade (ed.); Lindsay Jones (ed., 2nd ed.)
Source Norbert of Xanten (Wikipedia)
Source Encyclopaedia Judaica, 2nd editionMichael Berenbaum and Fred Skolnik (eds.)
Source Oberammergau Passion Play (Wikipedia)Wikipedia contributors
Source Encyclopaedia Judaica, 2nd editionMichael Berenbaum and Fred Skolnik (eds.)
Source Philipp Melanchthon (Wikipedia)
Source Wikipedia, Reform Judaism (source)Wikipedia contributors
Source Saint George and the Dragon, accession 1979.379 (Metropolitan Museum of Art)
Source Saint Martin of Tours, accession 50.233.2 (Metropolitan Museum of Art)
Source Saint Stephen, accession 1981.57.2a, b (Metropolitan Museum of Art)
Source Victoria and Albert Museum Collections API: V&A object record O89832
Source Splendor Solis (Wikipedia)
Source The Western Esoteric Traditions: A Historical IntroductionNicholas Goodrick-Clarke
Source The Emperor Charlemagne, Object Record (Google Arts & Culture, with the Germanisches Nationalmuseum)
Source Victoria and Albert Museum Collections API: V&A object record O66909
Source Thomas à Kempis (Wikipedia)
Source Walkenried Abbey (Wikipedia)