Incipit summa seu op[us] de virtutibus vilhelmi episcopi lugdunen[sis] nec non ordinis fr[atru]m p[re]dicato[rum]

Boniface Grandjean, John Henry Luers, Guilelmus Peraldus, Michael Wenssler, J. E. Carpenter, C. C. Carpenter, Roggenburg (Premonstratensian abbey)