Christianity among the Slavs : The Heritage of Saints Cyril and Methodius. Acts of the International Congress held on the Eleventh Centenary of the Death of St. Methodius, Rome, October 8-1, 1985, under the direction of the Pontifical Oriental Institute (venue-Pontifical University “Urbania”), edited by Edward G. Farrugia, Robert F. Taft, Gino K. Piovesana, with the Editorial Committee

Failler Albert. Christianity among the Slavs : The Heritage of Saints Cyril and Methodius. Acts of the International Congress held on the Eleventh Centenary of the Death of St. Methodius, Rome, October 8-1, 1985, under the direction of the Pontifical Oriental Institute (venue-Pontifical University “Urbania”), edited by Edward G. Farrugia, Robert F. Taft, Gino K. Piovesana, with the Editorial Committee. In: Revue des études byzantines, tome 48, 1990. pp. 295-296