DIT NUMMER IS EEN HAPPENING. RATIO VOL. 02. 1965.

Amsterdam: Ratio, Jan/Feb1965
24.3 x 17.3cm. 48pp. Card covers. A single number of this magazine with a special issue dedicated to happenings with documentation on Simon Vinkenoog (with a photograph of the happening “Stoned in the Streets”); Provo; Johnny van Doorn; Robert Jasper Grootveld; Peter Bergman, Fred Borensztajn, Malsen, Jan Cremer. Bart Huges; Peter Vos (Drawings). Cor Jaring supplied many of the pictures. This is the second printing of this magazine, but (most likely) from the same year. VG.