Provo and related publications, approx. 55 items: (1) God Nederland & Oranje
Amst., De Parel van de Jordaan, 1966-68. Nos. 1-10. W. cartoons by "Willem" (pseudonym of Bernard Willem Holtrop). (2) De andere krant. 1968-70. Four var. issues. (3) De Paniekzaaier. 1971-72. Nos. 1-4. Ill. by Willem. (4) Pijpkrant. 1972-73. 10 var. issues. -and 27 other publications and some ephemera.
(total approx. 55)