| NL-DHk 73 E 8 |
Antiphonarium aestivale, 2nd half 15th century, intil recently attributed to Adelbertusabdij in Egmond, now considered a manuscript from Abdij Ste Marie in Rijnsburg.
Hufnagelschrift on staves in ink; eastern chant dialect; some semitone-corrections may indicate an increasing tendency to favour fa above mi.
An office for St Adelbertus of Egmond (fols. 96r-101v).
 | Boeren, Catalogus ..., nr 21, pp. 57-58 |
| | Zijlstra: Egmond revisited, including a table of contents. See pp. 9-10 for some doubt on the attribution of the manuscript to Egmond abbey |
| | Zijlstra: Het officie van St Adalbert, in: Egmond tussen kerk en wereld. See pp. 205-206 for a different opinion on the semitone corrections |
| | Zijlstra: The office of Saint Adelbert |
| | Officia Sancti Adalberti Egmundensis, for an edition of the Adelbertus office |
| | Egmond of Rijnsburg? in: De abdij van Egmond. Geschreven en beschreven (on the attribution to Rijnsburg; incl. facs) |
| | O florens rosa, incl. facs. of the 1st mode antiphon Hec est preclara vas |