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  1. Bolivia, Potosi, Amethyst in a Bolivian museum
  2. Rhodochrosite Mineral From China's Wuton Mine
  3. Agate Studies II
  4. Oil well pump jacks at Bakken Oil Field near Estevan, Saskatchewan, Canada
  5. A diagram showing the phases of the Earths moon
  6. Remington, Cowboys, 1888
  7. Grey Agate B
  8. Let Freedom Ring I
  9. Let Freedom Ring II
  10. Tribute To Vikings
  11. Portrait of Chief Red Cloud in headdress
  12. Solar System - Minimal
  13. Elizabeth of Bourbon (1603-1644). Queen of Spain. Alcazar Castle, Segovia, Spain
  14. Brain, artwork
  15. The Hare and the Tortoise, illustration from Aesop's Fables
  16. Mathematical Elements I
  17. Normal spine, X-ray
  18. Portrait Of Harriet Tubman, 1870
  19. Solar system
  20. World War II: Headline, 1941
  21. John Coltrane Playing The Soprano Saxophone, 1960's
  22. In A Stampede
  23. Old Brass', a native North American, 19th century
  24. Ra
  25. Portrait Of John Brown
  26. Benjamin Franklin's face on the Hundred Dollar Bill
  27. Light Bulb
  28. Civil War print of General Lee surrendering his Confederate forces to General Grant
  29. Obama: Believe
  30. Saturn
  31. Wild West
  32. Attorney And Client, Fortitude And Impatience. Illustration From The Book Bleak House
  33. Earth Agate F
  34. Civil War painting of Union and Confederate troops fighting at The Battle of Bull Run
  35. Ford Engine
  36. The First Reading of the Emancipation Proclamation Before the Cabinet
  37. Buffalo Hunt, 1830S
  38. Composite of 90 different species of parrots
  39. Apple Tree - Botanical Illustration
  40. Gas Station 66, Wild West Painting Series
  41. Agate Studies III
  42. Constitution of the united states of america
  43. Math Formulas On Chalkboard
  44. The Round-Up, 1888
  45. Be Whoo You Are
  46. Jupiter
  47. Animal Kingdom Educational Poster
  48. Map of England, Britannia Antiqua