Catalog of an exhibition held at the Arts Council Gallery, London, Jan. 6-Feb. 4, 1967, City of York Art Gallery, Feb. 25-Mar. 18, 1967, City Art Gallery, Bristol, April 4-29, 1967 and City of Leicester Museums and Art Gallery, May 6-29, 1967.Includes bibliographical references (p. 55).Microfiche. Herts, England : Chadwyck-Healey Ltd. ; Teaneck, N.J. : Somerset House, 1975. 1 microfiche ; 11 x 15 cm.