Ryan, Fergus. „Eucharistic Concelebration &Amp; Adomnán’s Life of Saint Columba“. Ex Fonte – Journal of Ecumenical Studies in Liturgy 2 (Februar 20, 2023): 37–63. Zugegriffen Juni 20, 2024. https://exfonte.org/index.php/exf/article/view/7699.