Jakob Bengel (Firm)

Jakob Bengel = Art deco jewelry : Art-Deco-Schmuck; Idar-Oberstein/Germany by: Weber-Stober, Christianne (書目-語言資料,印刷品)

Bengel art deco schmuck = Bengel art deco jewellery : jewellery and industrial monument, Idar-Oberstein/GermanyText in German and English : schmuck und industrie-denkmal, Idar-Oberstein by: Lindemann, Wilhelm (書目-語言資料,印刷品)