Leistungsfähigkeit By Breil, M.A. Books / Hardcover Special Collections / Author Archives › John Gach Collection Publisher: S. Hirzel, January 1950 Price $23.11 Free Shipping Send to a friend Used - Good Good condition. No Dust Jacket German edition. Gilt lettering on cover and spine. Sunned on spine and cover. Shelf cocked. Shelf worn. Corners bumped. Rubbed and some scuffing on cover. Some pages creased on or near the corner. Smudges on page edges. From the collection of John Gach (1946-2009), a bibliophile and a nationally known bookseller who specialized in rare books devoted to the human sciences. (books in german, ability, efficiency) $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.