| NL-Uu 406 (III J 7) |
Antiphoner, 2nd half 12th century. Prepared for (and in) the Mariakerk in Utrecht.
Early staff notation (Hufnagelschrift); eastern chant dialect. The antiphoner is followed by a tonary.
Among others:
 | Willibrordus |
| | Martini Translatio |
| | Lebuini Translatio |
and the three offices of bishop Stephanus of Luik:
 | Stephani Inventio |
| | Lambertus |
| | Trinity |
And some feasts in the younger additions:
 | Adrianus |
| | Transfiguratio Domini |
Literature on this manuscript is growing. A facsimile is published, with index and introduction. A CANTUS file is available.
The music notation has been studied in Duitse en Nederlandse muzieknotaties ...
On the responsory tradition: I. de Loos: The transmission of the responsoria prolixa according to the manuscripts of St Mary's church Utrecht, in: TVNM 49 (1999-1), pp. 5-31.
Edition of the treatise and tonary of NL-Uu 406, prepared by musicology students: A. Marcel. J. Zijlstra (ed.): Tractatus de Musica et tonarius e codice Bibliothecae Universitatis Ultraiectensis (Utrecht UB 406). Instituut voor Muziekwetenschap, Universiteit Utrecht, 1993 (self publish, 1993, 42 pp.)