Berlin, Mittler und Sohn, 1913-14. 8vo. Orig. wrappers. Uncut and in fine condition. IX,(3),384" V,(1),240.
First edition. Contains, amongst others, E. Cassirer's ""Erkenntnistheorie nebst den Grenzfragen der Logik"", M. Laue's ""Das Relativitätsprincip"" and M. Scheler's ""Ethik"".