Maatschappij tot bevordering der toonkunst. Vijfde algemeen muzijkfeest te Haarlem op den 13den, 14den en 15den Junij 1850. complete collection of the programme and other related documents.

Maagdenhuis, Provo, stakingen en acties: Collection of pamphlets, posters, leaflets, newspaperclippings, letters and university magazines concerning the actions by the student population in the years between 1968 and 1972