| NL-DHk 71 J 70 |
Hymnarium, 15th century, until recently attributed to Adelbertusabdij in Egmond, now considered to have belonged to Abdij Ste Marie in Rijnsburg. Hufnagelschrift, with some semitone-corrections, like NL-DHk 73 E 8, antiphoner from the same abbey.
Contains a famous Easter play.
Contains a hymn for St Adelbertus of Egmond.
 | Boeren, Catalogus ..., nr 19 (pp. 51-55), for a description of the manuscript and for further literature on the Easter Play, etc. |
| | Egmond of Rijnsburg? in: De abdij van Egmond. Geschreven en beschreven (on the attribution to Rijnsburg) |
| | Lipphardt, nr. 827 |
| | I. de Loos: Drama als liturgie, pp. 46-50 |
and much more on the Easter play.