| NL-SHra IllLVrBr 69 |
Laudes de s. Cruce, votive office for the H. Cross, preceded by an Ordinantie explaining how it should be sung, belonging to the Illustre Lieve Vrouwe Broederschap of St.-Janskerk in 's Hertogenbosch; 16th century; square notation on black staves. Prepared by the brothers of the Gregoriushuis.
 | Gregoriaans in laatmiddeleeuws 's-Hertogenbosch, pp. 68-69 |
| | B. Haggh: Music, liturgy and ceremony in Brussels, 1350-1500, p. 420 |
| | Gegeven den sangeren, p. 46, incl. facs from the ordinance and the first chant of the Laudes de s. Cruce |