1883-1958 500-1500 animalforms approximately960-1022 aquamaniles artmetal-work artpatronagebernward bronzes bronzesculpture catalogs christianartandsymbolism claymodeling decorationandornament domzuhildesheim exhibitions exhibtions felice german germany goldwork handicraft hildesehim hildesheim medieval patterns polymerclaycraft tosalli wood-carving