Siglum: 
D-Mbs 13125
Description: 

Three sections for sequences:a. 102r-127v, nos. a1-a38. Seems to have been original sequentiary for the codes.b. 128r-132v, nos. b1-b7. End of an older sequentiary—five folios, probably added to fill out repertoire. Only duplication is “Congaudent” fragment on first folio. c. 153v: two sequences added at end of ms.