Incoming Resources
- The Ancient Mariners, Seafarers and Sea Fighters of the Mediterranean in Ancient Times. - Second Edition, Lionel Casson, Lionel Casson
- Gemstone facet cutting, a collection of historical articles on methods and equipment used for working gems
- Gems, crystals, and precious rocks, Steven M. Hoffman
- Gems
- Awesome opals, Joyce Jeffries
- Gemstone quilts, creating fire & brilliance in fabric, step by step, MJ Kinman
- Radiant rubies, Joseph Stanley
- The 50 state gems and minerals, a guidebook for aspiring geologists
- Gemstones
- The art of gem cutting
- Dictionary of gems and gemology
- Piedras preciosas, Mario Fontana ; [traducción de Cristina Sala]
- Gem, the definitive visual guide, senior editor, Anna Fischel ; foreword, Aja Raden
- Gems & precious stones in the United States, Canada & Mexico, a popular description ... by George F. Kunz