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  1. Portrait of Abraham Lincoln
  2. The Entrance of Joan of Arc into Orleans on 8th May 1429
  3. White Wolf, a Comanche Chief, c.1891-98
  4. Altering Current
  5. Declaration of Independence _Khaki
  6. Spinosaurus Study
  7. Fortifications Crazy Lace Agate
  8. Civil War painting of Union and Confederate troops fighting at The Battle of Antietam
  9. Zulu Warrior
  10. Vintage Civil War print of the Battle of Gettysburg
  11. Laws of Motion I
  12. RMS Titanic of the White Star Line
  13. The Buffalo Hunt
  14. Declaration Of Independence
  15. George Washington By Gilbert Stuart
  16. Map, WWII Battles, c1945
  17. Rainbow Book
  18. Strings
  19. Laws of Motion II
  20. Mathematical Elements III
  21. Laws of Motion III
  22. Solar System III
  23. Electromagnetic Radiation
  24. Apache Group, c1906
  25. George Washington, by Rembrandt Peale, c. 1850
  26. The Fox and the Crow, illustration from Aesop's Fables
  27. Composite of 110 different species of ducks and geese
  28. Lacrosse Playing, 1851
  29. The Milky Way and the other members of our Local Group of galaxies
  30. Electromagnetism
  31. Gravity
  32. Fibonacci spiral, artwork
  33. Grain
  34. Sage Agate B
  35. United States Constitution - Vertical
  36. Dandelion - Botanical Illustration
  37. Albert Einstein
  38. Viking longboats
  39. Condor Agate With Fortifcations
  40. The Eye of Horus
  41. Neon Periodic Table
  42. Neutral Periodic Table
  43. Cherry Creek Jasper
  44. 1938 Character Culture Citizenship Guide Poster, Read Good Books
  45. Close-Up Royal Aztec Lace Agate
  46. The Peacocks Complaint, From The Book Baby's Own Aesop By Walter Crane C.1920
  47. Pi to 2198 decimal places
  48. Apache Men, c1903