SA-CT G 3 c 23

A Carthusian antiphoner, dated 1538,

Attributed to Leven (?), in Steyn 1991.

Attributed to Gosnay (near Arras) in Steyn 2000.

Discussed in F.C. Steyn: Medieval and Renaissance manuscripts in the Grey Collection ... (2002), pp. 233 ff. (incl. facs).