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  1. Unfinished Portrait of Napoleon I formerly attributed to Jacques Louis David 1808
  2. Tesla
  3. Muhammad Ali on the shore of the Congo River, Kinshasa, Zaire
  4. Molecule Water
  5. Civil War print depicting the Union Army's capture of Fort Fisher
  6. Proud to be an American I
  7. Christian Loses His Burden At The Cross. From The Book The Pilgrim's Progress
  8. No Man's Land - USGS Earth as Art
  9. Listen to your Teacher
  10. Muir Woods National Monument, California - John Muir Portrait: Retro Poster
  11. Ocean Jasper
  12. Distance of Sun, Moon and Planets
  13. Normal shoulder, X-ray
  14. Photomicroscopic close up of a snowflake crystal
  15. Meandering Mississippi - USGS Earth as Art
  16. Bears
  17. Good Grades and Good Health Go Together - WPA Poster
  18. Faridun's Sons Marry the Three Daughters of Sero. Shahnameh. The Book of Kings
  19. Solar System II
  20. The Teacher
  21. Lena Delta - USGS Earth as Art
  22. Gem Stones III
  23. Bees - Vintage Educational Poster
  24. Bright Periodic Table - White, Classic Text
  25. Wright Flyer sculpture at Wright Brothers National Memorial, North Carolina
  26. Portrait Of Rosa Parks, Civil Rights Leader
  27. Close-Up Of Fortification Laguna Agate
  28. Molecule Honey
  29. Rib cage and heart, 3D CT scan
  30. Pathways Educational Poster
  31. Gem Stones I
  32. Columbus, Map, 15th Century
  33. Australia, Northern Territory, Arnhem Land, Mt Borradaile, rock paintings
  34. How Seeds Travel
  35. Pastel Periodic Table - Classic Text
  36. The Moon
  37. Science classroom
  38. Astronomical Chart I
  39. Oregon, Owyhee. Close-up of picture jasper stone
  40. Andes - USGS Earth as Art
  41. Mercury
  42. Oregon. Close-up of Graveyard Point Plume Agate stone
  43. Mushroom Chart III
  44. George And Martha Washington At Presidential Reception
  45. Oil well pump jacks at Bakken Oil Field near Estevan, Saskatchewan, Canada
  46. Sierra de Velasco - USGS Earth as Art
  47. The Birth of Rostam by Caesarean. Shahnameh. The Book of Kings. 16th c. Persian Art
  48. Pneumonia Strikes like a Man Eating Shark - WPA Poster