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  1. Declaration of Independence _Khaki
  2. Egyptian Papyrus
  3. Strings II
  4. Timeline of Dinosaurs
  5. Civil War painting of Union and Confederate troops fighting at The Battle of Antietam
  6. Universal Gravitation
  7. Pastel Periodic Table - Modern Text
  8. Altering Current
  9. The Titanic's propellers in the Thompson Graving Dock of Harland
  10. Portrait of Abraham Lincoln
  11. Declaration Of Independence
  12. Sage Agate A
  13. George Washington By Gilbert Stuart
  14. Spinosaurus Study
  15. The Buffalo Hunt
  16. Electromagnetic Induction
  17. Vintage Civil War print of the Battle of Gettysburg
  18. RMS Titanic of the White Star Line
  19. Neutral Periodic Table
  20. American Frohse Anatomical Wallcharts, Plate II
  21. Civil War painting of Union and Confederate troops at The Battle of Shiloh
  22. The Fox and the Crow, illustration from Aesop's Fables
  23. Laws of Motion I
  24. Prohibition
  25. Electromagnetic Radiation
  26. Solar System III
  27. Zulu Warriors
  28. Emperor Napoleon in His Study at the Tuileries, by Jacques-Louis David, 1812
  29. Mathematical Elements III
  30. Composite of 110 different species of ducks and geese
  31. Apache Group, c1906
  32. Electromagnetism
  33. Lacrosse Playing, 1851
  34. Fortifications Crazy Lace Agate
  35. World War II: Headline, 1941
  36. Old Books on a Shelf
  37. Vintage Civil War print of the Battle of Franklin
  38. Laws of Motion II
  39. Map, WWII Battles, c1945
  40. Chalkboard Periodic Table
  41. Strings
  42. Vintage Civil War print of the Battle of Gettysburg
  43. Zulu Warrior
  44. Explorers Wanted on the Journey to Mars
  45. Prague Astronomical Clock
  46. Hudson Bay Trading Post On Flathead Indian Reservation, Montana Territory, c1860
  47. United States Constitution - Vertical
  48. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper