PRINTMAKERS -- GABLER, Karlheinz. Ernst Wilhelm Nay. Die Druckgraphik 1923-1968, Zurich: Belser, 1975, 4°, plates, many coloured, boards, dust-jacket -- Franco CALDERONI. Santomaso. Opera Grafica 1938-1975, Rome: Editore a' Arte, [n.d.], 4°, limited edition, plates, many coloured, cloth, dust-jacket -- Pierre Alechinsky. Les Estampes de 1946 à 1972, [Paris:] Yves Rivière, [1973], 4°, illustrations, some coloured, wrappers. With 11 other books on modern print-makers including Soulages. Eaux-fortes, lithographies 1952-1973 (Paris, 1974), Alfred Hagenlocher's Wilhelm Laage. Das graphische Werk (Munich, 1969) and works on Courtin, Messagier, Poliakoff and Twombly. (14)