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  1. Benjamin Franklin's face on the Hundred Dollar Bill
  2. Agate Studies III
  3. The First Reading of the Emancipation Proclamation Before the Cabinet
  4. Composite of 90 different species of parrots
  5. Attorney And Client, Fortitude And Impatience. Illustration From The Book Bleak House
  6. Multiphoton fluorescence image of HeLa cells
  7. The Round-Up, 1888
  8. Civil War painting of Union and Confederate troops fighting at The Battle of Bull Run
  9. Martin Luther King, Jr. (1929-1968)
  10. Math Formulas On Chalkboard
  11. Be Whoo You Are
  12. Fortifications Agua Nueva Agate
  13. A Prehistoric Mammoth Hunt
  14. Schematics, Mathematics and Geography Chart
  15. Inquiry into the Loss of the Titanic: Cross sections of the ship
  16. Wild West Saloon
  17. Serotonin neurotransmitter molecule
  18. Cave of Lascaux. (c.17000-15000 BC) Montignac, France
  19. Gas Station 66, Wild West Painting Series
  20. Boho Periodic Table
  21. Titanic ready for her maiden voyage, 02 April 1912
  22. Oregon. Close-up of Graveyard Point Plume Agate stone
  23. The Titanic's propellers in the Thompson Graving Dock of Harland
  24. Unidentified Viking scene with longship aflame
  25. Revolutionary War print showing the surrender of British troops
  26. University of Virginia, Charlottesville, Virginia
  27. Jabberwocky
  28. Mushroom Chart I
  29. Conceptual image of DNA
  30. Bronchial tree and lungs, artwork
  31. Cosmic Periodic Table
  32. Animal Kingdom Educational Poster
  33. Sioux Encampment, 1832
  34. Vintage Civil War print of General Sherman and his Generals on horseback
  35. Purple Watercolor Agate II
  36. Antique Stock Certificate II
  37. The Washington Family, by Edward Savage, c.1789-96
  38. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  39. Total Eclipses of Sun and Moon's Shadow
  40. From The Original Manuscript Of Oliver Twist By Charles Dickens, Published 1896
  41. Bodmer, Blackfoot Horseman
  42. Abstract image of stock market line chart with text
  43. RMS Titanic: 1st Class Dining Saloon on D-Deck, 1912
  44. Mathematical Elements II
  45. California, Summit City, Shasta Dam, Shasta Lake, with view of Mt. Shasta
  46. Native American Camp, 1891
  47. Pastel Periodic Table - Modern Text
  48. Vintage Civil War poster of the Battle of Missionary Ridge