Bolvig, A. (1977) “Brian Patrick McGuire: Conflict and Continuity at Øm Abbey. A Cistercian Experience in Medieval Denmark. Museum Tusculanum, København, 1976. 160 s”., Historisk Tidsskrift, 13. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51861 (Set: 5 december 2025).