Exhibition catalogue published in conjunction with show held at the RIjksmuseum Kröller-Müller, Otterlo, July 18 - September 5, 1976 and at the Stedelijk Museum, Amsterdam, September 24 - November 8, 1976. Essay by R.W.D. Oxenaar. Includes a bibliography. Printed in color and black-and-white. Text in Dutch and English.
