1. Das Bild Constantins des Grossen in den ersten Jahrhunderten des abendländischen Mittelalters;Ewig;Hist. Fahrb.,1956
2. Bede and the Libellus synodicus of Gregory the Great;Meyvaert;J.T.S.,1961
3. The Canterbury Edition of the Answers of Pope Gregory I to St. Augustine;Journal,1959
4. English names and Old English heathenism;Dickins;Essays and studies,1933