Assen, v.Gorcum, 1968.
112 p. Cl. 41 cm (MS in Latin, dating from the second half of the 12th cent.; the MS deals with the history of the monastery Rode (Kloosterrade, Rolduc), covering 1104-1157) (Wattenbach: 'eine 1152 nach Urkunden und persönlichen Erinnerungen sorgfältig gearbeitete Klostergeschichte')