NL-Uu 417 (V C 19)
Liber Sequentiarium, 13th century, Mariakerk, Utrecht. In addition to the squences, it also contains some proper tropes.
|N. de Goede: The Utrecht Prosarium|
|Its tropes are discussed by Lori Kruckenberg in TKVNM 53 (incl. facs)|
|Its sequences are discussed by Calvin Bower in TKVNM 53|
|RISM, B-V-1, p. 189|