Bibliografia
Gerhart B. LADNER, « St. Gregory of Nyssa and St. Augustine on the Symbolism of the Cross. », Images and Ideas in the Middle Ages. Selected studies in History and Art, 1, Roma, Edizioni di Storia e Letteratura, 1983 (Storia e Letteratura. Raccolta di Studi e Testi, 155), p. 196-208
Gerhart B. LADNER, Images and Ideas in the Middle Ages, Selected studies in History and Art, 1
p. 196-208
Etude
Chapitre de livre
ICO. X 1282 (8°)
Recueil d'articles de G. Ladner.