[중고]On Jewelry and Gems (Hardcover) - Contemporary Jewelry and Object-Design at the Department of Gem-And Jewelry Design of the Fachhochschule Idar-Oberstein
[중고]Heinz & Ingrid Siery: Keramik - Bronzen - Raumgestaltung: Ein Leben Mit Der Kunst/Ceramics - Bronzes - Interior Decoration: A Life with Art (Hardcover) - Ceramics Bronze Interiors: a Life With Art