Eduard Josef Gübelin

1913

• Photoatlas of Inclusions in Gemstones
• Internal world of gemstones
• Gemstones
• Inclusions as a means of gemstone identification
• Edelsteine
• Bildatlas der Einschlüsse in Edelsteinen
• Die Edelsteine der Insel Ceylon
• Pierres précieuses
• Precious stones