- FondoMG 146 - W.O. Kupsch fonds
- SériesJ. Audio-Visual Materials
- 2083 más...
- ItemWOK 18-139 - Amber, Baltic
- ItemWOK 18-140 - Calcite, Egremont, Cumberland, England
- ItemWOK 18-141 - Calcite, var.
- ItemWOK 18-143 - Fluorite, Rosiclare, Illinois. Typical cleavage octahedra
- ItemWOK 18-144 - Galena, Near Galena, Kansas. A group of cubic crystals
- ItemWOK 18-145 - Gold, California. Heavy wire gold on milky quartz
- ItemWOK 18-146 - Gypsum, var. Selenite, South Dakota. A "Fish-tail" twin
- ItemWOK 18-147 - Agate, Brazil. Banded grey agate, crystalline quartz and amethyst
- ItemWOK 18-148 - Quartz, var. Milky quartz, Curay, Colorado. A choice group of large milky white crystals
- 213 más...