Kleines Lehrbuch des Positivismus eimfuhrung in die Empiristische Wissenschaftsaufassung.
Hague: Van Ztokum, 1939. 468p., original printed wrappers. The Hague: Van Stokum & Zoon, for the Univ. of Chicago Press, (1939). Very good (+). Published as Volume I in the Library of Unified Science, Book Series. Near fine, with small ownership signature inside front cover. More