'A Scottish Arts Council exhibition, organised for the Edinburgh Festival Society ...'. - Exhibits from the Wallraf-Richartz Museum in Cologne and the Neue Galerie, Aachen.
Aachen International 70-74 : [catalogue of an exhibition of] works from the Ludwig Collection [held at] the Diploma Galleries, The Royal Scottish Academy, The Mound, Edinburgh, 17 August-8 September 1 by Scottish Arts Council. ISBN 0902989154. Published by Scottish Arts Council in 1974. Publication and catalogue information, links to buy online and reader comments.