David Jeffries

• A treatise on diamonds and pearls
• Ancient Greece
• Governments and Tourism
• Multicultural Folk Tales Thematic Unit
• A treatise on diamonds and pearls
• A Treatise on Diamonds and Pearls : In Which Their Importance is Considered
• A Treatise on Diamonds and Pearls. In Which Their Importance is Considered : And Plain Rules are Exhibited for Ascertaining the Value of Both
• A treatise on diamonds and pearls. In which their importance is considered: and plain rules are exhibited for ascertaining the value of both; and the true method of manufacturing diamonds
• Governments and Tourism
• The world of the future
• Training for total quality management
• Traité des diamants et des perles, où l'on considère leur importance, on établit des régles certaines pour en connoître la juste valeur, et l'on donne la vraie méthode de les tailler. On y trouve aussi des observations curieuses, ègalement utiles aux négo