Hamburg, Felix Meiner 1974 xxxii + 394pp., 19cm., in the series "Philosophische Bibliothek" vol.39a, previous owner's name on first page, reprint of the 6th ed. (1924), softcover, Very good, F66796
Hamburg, Felix Meiner 1976 xli + 200pp., 19cm., in the series "Philosophische Bibliothek" vol.40, softcover, Very good, F66795