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  1. Martin Luther King, Jr. (1929-1968)
  2. Moby Dick
  3. Electric Coloured Sky
  4. Inquiry into the Loss of the Titanic: Cross sections of the ship
  5. The lumbar vertebrae
  6. Fortifications Agua Nueva Agate
  7. Jabberwocky
  8. Proud to be an American II
  9. A Prehistoric Mammoth Hunt
  10. Unidentified Viking scene with longship aflame
  11. The Slaughter on the Somme, WWI
  12. Wild West Saloon
  13. A humorous view of the reverse evolution of man
  14. Aquatic Collage
  15. Never Stop Learning
  16. Solar System Educational Poster
  17. Schematics, Mathematics and Geography Chart
  18. Scanning electron micrograph of a human neutrophil ingesting MRSA
  19. Revolutionary War print showing the surrender of British troops
  20. Multiphoton fluorescence image of HeLa cells
  21. Titanic ready for her maiden voyage, 02 April 1912
  22. Cave of Lascaux. (c.17000-15000 BC) Montignac, France
  23. Pastel Periodic Table - Modern Text
  24. Pipette Dripping Liquid Into Test Tubes
  25. The Doctrine of Monroe
  26. Molecule Caffeine
  27. Oregon. Close-up of Graveyard Point Plume Agate stone
  28. Kitchen Mixer
  29. 1st Infantry Division of the U.S. Army with Big Red One number
  30. Serotonin neurotransmitter molecule
  31. Sitting Bull - Lakota Sioux Tribe Chief, 1884
  32. African Warriors
  33. Carl Sagan
  34. University of Virginia, Charlottesville, Virginia
  35. Oscar Wilde
  36. Abstract image of stock market line chart with text
  37. Ruth Bader Ginsburg, Supreme Court of the United States portrait 2016
  38. Conceptual image of DNA
  39. Cherry Tree - Botanical Illustration
  40. Anatomy of human brain, inferior view
  41. Bodmer, Blackfoot Horseman
  42. Womans Suffrage
  43. Bronchial tree and lungs, artwork
  44. Mushroom Chart I
  45. Birds Eggs I
  46. Sioux Encampment, 1832
  47. Total Eclipses of Sun and Moon's Shadow
  48. Common Beetles