Kort, J.C. Het archief van de graven van Holland 889-1581. ‘s-Gravenhage 1981, 3 delen, 193+590 p.

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