THE ART OF RAMON LULL: An Approach to It through Lull's Theory of the Elements.
Offprint; side-bound in card; A VERY GOOD+ COPY without marking. Originally published in the Journal of the Warburg and Courtauld Institutes / ed. E. H. Gombrich [u.a.]. 27.1954, [pages 115-173]. Twenty splendid plates on coat. 4to.