| Walincourt: Wilhelmietenklooster |
Wilhelmieten, in the village of Walincourt near Cambrai.
 | Cambrai, MM, 1277, antiphoner, 16th century |
| | Cambrai, MM, 1284, antiphoner, 15th century |
These manuscripts include an office for St William of Malavalle.
B. Haggh, in: The Divine office ..., pp. 373 and note 6.