1
Published: 1961
Superior document: Mémoires de la Classe des Lettres / Académie Royale de Belgique : Collection in-8° Sér. 2, 54,6
2
Published: 1953
Superior document: Studi e testi / Biblioteca Apostolica Vaticana 173
3
Published: 1954
Superior document: Corpus scriptorum christianorum orientalium ; 146 : Subsidia 7