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  1. The Battle Of The Wilderness, Virginia, May 5th, 1864
  2. Mushroom Chart I light
  3. Teachers III Blue
  4. Vintage Parchment Hydraulic Drilling Rig Patent Poster
  5. Official White House Portrait Of George H. W. Bush By Herbert Abrams
  6. The Planet Neptune
  7. Dental X-ray
  8. Civil War print depicting the Union Army's capture of Fort Fisher
  9. Graduated Cylinders And Flasks
  10. Pneumonia Strikes like a Man Eating Shark - WPA Poster
  11. The nerve supply of the upper body
  12. Assembly Required to Build Our Future on Mars and its Moons
  13. Venus
  14. Vintage Parchment Otoscope Patent Print
  15. Paris at Thermopylae
  16. Sigmund Freud
  17. Colorado - USGS State Mosaic
  18. Battle Of Gettysburg, 1863
  19. Sohrab Facing the Tent of the Persian Army Leaders. Shahnameh. The Book of Kings. 16th c
  20. The Battle of Bosworth - Into Battle
  21. Civil War Fort I
  22. Detail of hieroglyphic writing. Museum of Fine Arts. Budapest. Hungary
  23. How Seeds Travel
  24. Paul Charles Morphy (1837-84) engraved by D.J. Pound from a photograph
  25. Study of the Human Figure, Anterior View
  26. Mohawk Village, 1780
  27. Venus I
  28. Balance
  29. Portrait of Ulysses S. Grant (1822-85)
  30. Good Grades and Good Health Go Together - WPA Poster
  31. Abraham Lincoln (1809-65) plans his campaign during the American Civil War (1861-65)
  32. The Planet Venus
  33. Utah - USGS State Mosaic
  34. Sierra de Velasco - USGS Earth as Art
  35. Mexican Revolution (1910-19). Train with wounded revolutionary fighters
  36. Miss Havisham. Illustration for the Charles Dickens novel Great Expectations 1910
  37. David Copperfield. Illustration for the Charles Dickens novel David Copperfield
  38. Titanic
  39. Living Relatives of Dinoaurs
  40. Electric Tattooing Device, Charles Wagner, 1904
  41. Photomicroscopic close up of a snowflake crystal
  42. World War I, Map, c1919
  43. Anterior view of human pelvis, with labels
  44. Ida B. Wells, 1891
  45. Caduceus and graph
  46. Development of Arabic numerals
  47. Pile of paperback books on desk in school library.
  48. California, Summit City, Shasta Dam, Shasta Lake, with view of Mt. Shasta