London: Routledge & Kegan Paul Ltd., [1969]., Gilt red cloth. Fine in lightly sunned dust jacket with minor nicks to spine ends. First edition of this translation. Edited by Oskar Kraus; English edition edited and translated by Roderick M. Chisholm and Elizabeth H. Schneewind. Inscribed to Wilmarth S. Lewis by co-translator Elizabeth H. Schneewind, with the recipient's bookplate (bearing tiny release stamp) on the front pastedown. Published in the International Library of Philosophy and Scientific Method.