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  1. Compsognathus
  2. President John F. Kennedy signing the Equal Pay Act
  3. Mars
  4. Wyoming - USGS State Mosaic
  5. Marie Curie
  6. Discovery Hind Leg Of The Dinosaur Diplodocus, By Henry Fairfield Osborn In 1898
  7. Coelophysis
  8. A Black Soldier In the Union Army Leading A Supply Train, 1864
  9. Bright Periodic Table - Black, Classic Text
  10. Joan of Arc hears heavenly voices in the Forest
  11. Lifecycle of a Frog
  12. Mineralogie III
  13. The Sun
  14. Beer, the Hop Plant, 1836
  15. Artillery drill in fort during the American Civil War
  16. Yukon Delta - USGS Earth as Art
  17. Portrait of Anton Chekhov (1860-1904) 1902
  18. Pachycephalosaurus
  19. Napoleonic Wars, Polish Infantry, Regiment of the Vistula, Fusilier and Grenadier
  20. New York Under The Blue Laws, 1895
  21. Alaska - USGS State Mosaic
  22. Northern Norway - USGS Earth as Art
  23. Rice Terraces, Longsheng Ping'an, Guangxi
  24. Oregon - USGS State Mosaic
  25. Harriet Tubman, 1911
  26. Teachers II Yellow
  27. Dragon Lake - USGS Earth as Art
  28. Anatomy of human pancreas, with labels
  29. Joachim Murat joins the regiment of Chasseurs des Ardennes, in 1787
  30. Printing Press at Le Petit Journal, created by H, Marinoni, 1860s
  31. Molecule Testosterone
  32. Illustration of action potential of a nerve cell
  33. Pipes at Nesjavellir Geothermal Power Plant, Iceland
  34. Polish Lancers at Somosierra, Nov, 30, 1808, By Louis Bombled
  35. Carte De Visite Of Edmonia Lewis, 1870
  36. Australia - USGS Earth as Art
  37. Farmers Wanted for Survival on Mars
  38. The Dardzha Monster - USGS Earth as Art
  39. Italy, Sicily, Siracusa, Monte Lauro, wind turbine
  40. Byrd Glacier - USGS Earth as Art
  41. Brain surface anatomy, with labels
  42. Dinosaur Skeleton, 1921
  43. Richelieu celebrating Mass at the Camp of La Rochelle before the Army
  44. Molecule Estrogene
  45. Ganges River Delta - USGS Earth as Art
  46. Alphabet For Children, 2002
  47. Barbet Dagobert was Trained to Pay Suppliers and Return with Receipts
  48. Edrengiyn Nuruu - USGS Earth as Art