Prinzipien der psychologischen Erkenntnis By Strich, Walter Books / Paperback Social Science › Psychology & Psychiatry Publisher: Carl Winters, January 1914 Price $23.11 Free Shipping Send to a friend Collectible - Good First Edition First edition copy. Collectible - Good. German. Spine taped. Top page edges uncut. (consciousness, theory of knowledge, monism, books in German) $23.11 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.