Siglum: 
D-Mbs 27020
Description: 

Dies irae — by itself on 205vTemporal cyclee =a: 211-216 ends with explicit: Explicit feliciter per me fratrem Willelmum Klehn [?] Tunc[?] xpistis proressum in Noroshaim anno domini millesimo quingentesimo undecimo Tercio kalendas septembris hoc est sabbato post bartholomei apostoli.“Marian cycle”—but begins with Laudes salvatori—then alphabetical 220-260Single sequence added at end — because of earlier confussion