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  1. Edgar Allan Poe, American Poet, Critic and Short Story Writer
  2. Mexico, Yucatan, Edzna Maya, the Five Floors Temple and the Square
  3. Maharaja Of Baroda, India On An Elephant, From El Mundo En La Mano, Published 1878
  4. A Versailles, A Versailles, March of the Women on Versailles, Paris, 5th October 1789
  5. The Titanic's propeller in the Thompson Graving Dock of Harland
  6. Vice President Joseph Biden
  7. Page Proof From Great Expectations, Charles Dickens's Hand Written Corrections, 1812
  8. Heart and lung anatomy, 17th century
  9. Vintage presidential election poster
  10. Ferry boat altered to gunboat during the American Civil War
  11. Antietam, Maryland, 1862
  12. The Battle of Cannae in 216 BC
  13. Woman standing at long row of bobbins, at a textile factory, Millville, NJ, 1936
  14. Legend of Archimedes and the lever
  15. George Washington taking command of the Army, 1775
  16. Dominican Republic, La Romana, Altos de Chavon, village detail
  17. Barack Obama (1961- )
  18. The Battle of Bosworth - Into Battle
  19. Louis Pasteur, French microbiologist
  20. Willard Hotel, Washington, D.C
  21. Battle Of Mobile Bay, 1864
  22. Pantometer, 16th Century
  23. New York Under The Blue Laws, 1895
  24. The Prince of Wales Hotel,and Vimy Peak, Waterton Lakes National Park, Alberta
  25. Capital Building, Washington, DC
  26. Vintage American History print of Alexander Hamilton sitting at his desk
  27. World War I poster of a U.S. airman cranking the propeller of an airplane
  28. Hughes' printing telegraph
  29. Engine Moving Through A Rail Yard
  30. Ortelius's map of Northern Europe, 1570
  31. Heart anatomy, 19th Century illustration
  32. Elijah Muhammad (1897-1975)
  33. Vintage World War One poster of a Red Cross nurse holding out her arms
  34. People Playing Lawn Tennis
  35. Frederick Douglass (c1817-1895)
  36. Biplane Flying From Armored Cruiser
  37. Soldiers at camp during the American Civil War
  38. George Washington Carver (1864-1943)
  39. Persepolis, Iran, Middle East
  40. World Trade Center Ground Zero site under reconstruction Sept 8, 2011
  41. Dr. J. B. Abbott, prepared fossils of dinosaurs' thigh bones for public display
  42. Blue Whale Skeleton, Hintze Hall, Natural History Museum, London, England
  43. French fashion designer Yves Saint Laurent
  44. Boring a hole
  45. Pascal's calculator, 17th Century artwork
  46. Woodcut Illustration From Medieval Book
  47. Bayon Temple reflected in water at Angkor, Siem Reap, Cambodia, Indochina
  48. Foot anatomy, 19th Century illustration