N Milan, Ambros. J 15 sup. (15th cent.).
O Paris, Bibl. Nat. 2773 (14th cent.).
P Cambridge, Trinity College (Gale MS.), O.9.27 (13th-14th cent.).
Q Rome, Vatican 1332 (14th cent.).
These MSS. are divided by Rzach into the following families, issuing
from a common original:—