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  1. Civil War, Texas Rangers, 1861
  2. Bouncing ball
  3. Martin Luther King, Jr. (1929-1968)
  4. Artist's Rendering Of A Solar System
  5. Normal shoulder, X-ray
  6. Photomicroscopic close up of a snowflake crystal
  7. The bones of the pelvis
  8. Abraham Lincoln, 1809
  9. Alberta, Reserve, c1890
  10. Microscopic view of bacteria
  11. Meandering Mississippi - USGS Earth as Art
  12. Molecule Cinnamon
  13. Capitol From the Botanical Gardens
  14. Chinese acupuncture model
  15. Signature of John Hancock
  16. 'Rheumatoid arthritis of the hands, X-ray
  17. Base of human skull, inferior view, with labels
  18. Scrooge Objects to Christmas. Illustration for the novella A Christmas Carol
  19. College Graduation Ceremony
  20. Normal hip, X-ray
  21. Florence Nightingale (1820-1910) illustration from World Noted Women
  22. Bears
  23. Spilled Paint - USGS Earth as Art
  24. Illustration By Arthur Rackham From Grimm's Fairy Tale, The Cunning Little Tailor
  25. The sun sets behind a row of spinning windmills or wind turbines
  26. Denver, Colorado, 1859
  27. Good Grades and Good Health Go Together - WPA Poster
  28. Solar System II
  29. Faridun's Sons Marry the Three Daughters of Sero. Shahnameh. The Book of Kings
  30. Shame may be Fatal - WPA Poster
  31. Pennsylvania, Gettysburg, Battle of Gettysburg, tree and battlefield monument, dawn
  32. The Teacher
  33. Winston Churchill (1874-1965) in Naval Scene
  34. Molecule Licorice
  35. Mistletoe - Botanical Illustration
  36. A Pawnee Brave
  37. Arteries of the brain, 3D CT scan
  38. School supplies
  39. Lena Delta - USGS Earth as Art
  40. Mexican Revolution (1910-19). Train with wounded revolutionary fighters
  41. Poe
  42. Vintage American History painting of Alexander Hamilton
  43. Pair of human hands on black background.
  44. Wilson Dam, Flood Gates
  45. Australia, Northern Territory, Arnhem Land, Mt Borradaile, rock paintings
  46. Gem Stones III
  47. Bees - Vintage Educational Poster
  48. Mathematical Elements IV