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  1. Science classroom
  2. Venus II
  3. Lunar Lander, Defy Gravity
  4. Circulatory system and brain, artwork
  5. Close Ups Of Fortification On Crazy Lace Agate
  6. The Sun IV
  7. Alfred (849-899) disguised as a minstrel in the camp of King Guthrum
  8. Classical Montage
  9. Mission Santa Ynez or Ines, Solvang, California
  10. Canada, Quebec. Honey Economusee. Beehive
  11. The cervical vertebrae
  12. Circulatory system and brain, artwork
  13. The Dream
  14. Vintage Parchment Otoscope Patent Print
  15. Desert Patterns - USGS Earth as Art
  16. Cross section biomedical illustrationBiomedical illustration of dental filling
  17. To Polish The Sun
  18. Bright Periodic Table - Black, Classic Text
  19. Nebraska - USGS State Mosaic
  20. Male skeleton, computer artwork.
  21. Portrait of Henry Knox (1759-1806)
  22. Conceptual image of platelets with red blood cells
  23. Long Island Railroad Communication Lines
  24. Practical Mechanics, September 1956
  25. License Plate Periodic Table
  26. Practical Wireless, May 1957
  27. Bright Periodic Table - Navy, Classic Text
  28. Cingulate gyrus in the brain, artwork
  29. Washington - USGS State Mosaic
  30. Work the Night Shift on Martian Moon Phobos
  31. The human body with superimposed colored plates by Julien Bougle
  32. Roof of the World - USGS Earth as Art
  33. Thel's Motto, plate 2 from The Book of Thel, 1789
  34. Martin Luther King, Jr. (1929-1968)
  35. California - USGS State Mosaic
  36. Pipes at Nesjavellir Geothermal Power Plant, Iceland
  37. Portrait of Anton Chekhov (1860-1904) 1902
  38. Deforestation
  39. Illustration of strip of land known as the 'fertile crescent'
  40. Teacher Truths VII-Rewarding
  41. Hampton Institute, 1899
  42. Generator and Fan Belt in a Car Engine
  43. Outback Abstract
  44. Harriet Tubman, 1911
  45. Old Mother Hubbard, from Old Mother Goose's Rhymes and Tales
  46. Deinonychus
  47. Soybeans, early growth, Minnesota
  48. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper