Drogenkunde (German Edition) by Heinz August Hoppe, Willy Peyer Hardcover, 335 Pages, Published 1947 by Walter De Gruyter ISBN-13: 978-3-11-113566-3, ISBN: 3-11-113566-7
Drogenkunde (German Edition) by Heinz August Hoppe , Willy Peyer Hardcover, 335 Pages, Published 1949 by Walter De Gruyter ISBN-13: 978-3-11-114028-5, ISBN: 3-11-114028-8
Drogenkunde(5th Edition) by Heinz August Hoppe , Willy Peyer Unbekannter Einband, 335 Pages, Published by De Gruyter ISBN-13: 978-3-11-219265-8, ISBN: 3-11-219265-6
Drogenkunde(6th Edition) by Heinz August Hoppe , Willy Peyer Unbekannter Einband, 335 Pages, Published by De Gruyter ISBN-13: 978-3-11-215904-0, ISBN: 3-11-215904-7