| NL-Avu xv 05007 (cat.nr. 29) |
Antiphonarium pars hiemalis in two volumes, 1531, of the Wilhelmietenklooster Baseldonck in 's Hertogenbosch. Prepared by Walter Faber de Walincourt.
 | In Buscoducis, pp. 129 (incl. facs.) and p. 492 (facs.) |
| | CMD-NL 2, nr. 324c, pl. 617 |
| | Gregoriaans in laatmiddeleeuws 's-Hertogenbosch, pp. 148-159, for a table of contents, pp. 126-133 for the Wilhelmus-office |