TRADE CATALOGUES -- Librairie Thomas-Scheler. Précurseurs et Inventeurs. Livres et Autographes scientifiques & médicaux, Paris: Scheler, 1957-72, "nouvelle series" catalogues numbers 1-8 bound in 2 volumes, illustrations, contemporary cloth -- Hugh K. Elliott. Rare and Important Books illustrating the History of Science and Medicine, London: Hugh K. Elliott, 1955-69, 8°, catalogues 2-30 only (lacking number 1) bound in 2 volumes, illustrations, contemporary cloth; and approximately 200 unbound trade catalogues on science and medicine including Jonathan A. Hill, H. P. Kraus and Emil Offenbacher. (a lot)