Der Philosophischen Bibliothek. Band 55 : Vom Ursprung sittlicher Erkenntnis (The Origin of Our Knowledge of Right and Wrong) By Brentano, Franz Books / Hardcover Social Science › Philosophy Publisher: Felix Meiner, January 1921 Price $46.27 Free Shipping Send to a friend Used - Acceptable Acceptable condition. 2nd edition. Volume 55. German. Mylar wrap added. (morality, epistemology, books in German) $46.27 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.