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  1. The Sinking of the Laconia in 1942
  2. Sioux Grass Dance, c1913
  3. The Historic Meeting Of The Union High Command During The American Civil War
  4. Molecule Ethanol
  5. Arthritis of the neck, X-ray
  6. External auditory canal of human ear (with labels)
  7. Pythagoras Maths Equation
  8. Chrysocolla
  9. John Brown on 30 August 1856 intercepting a body of pro-slavery men
  10. Soap bubbles on a dodecahedral frame
  11. Blackfoot Native American
  12. Egyptian and Assyrian counting systems
  13. Bright Periodic Table - White, Modern Text
  14. Malachite
  15. Microphone
  16. The Fir-Tree and the Bramble, illustration from Aesop's Fables
  17. Van Gogh from Space - USGS Earth as Art
  18. Oil Pump Jacks On Canadian Prairie At Dusk, Carlyle, Saskatchewan, Canada
  19. Hey Diddle, Diddle, from Old Mother Goose's Rhymes and Tales
  20. Earth
  21. Close Ups Of Fortification On Crazy Lace Agate
  22. Fascimile of a letter from Vincent Van Gogh to Emile Bernard on the 18th March 1888
  23. The Fox and the Grapes, Selected Fontaine's Fables
  24. The Fox and the Rooster
  25. Inquiry in the Loss of the Titanic: Cross sections of the ship
  26. Signal Hill Oil Derricks
  27. Mohawk Village, 1780
  28. George Washington, by Gilbert Stuart (Vaughan-Sinclair portrait), 1795
  29. Microscope
  30. Armillary sphere
  31. The Nina, Pinta, And Santa Maria
  32. Hand doing math homework
  33. How the Titanic Survivors Were Picked Up by the Carpathia
  34. Bogda Mountains - USGS Earth as Art
  35. Portrait Of Harriet Tubman, 1868-69
  36. Petrarch. Italian poet. The in Triumph of Love (15th c.) National Library, Madrid
  37. Conceptual image of neuron
  38. William Shakespeare at the Age 34, By Louis Coblitz, c.1830-60, German, oil on canvas
  39. Vintage Civil War print of Abraham Lincoln riding on horseback as a crowd cheers
  40. Hudson River, Military Map
  41. The Lion, Jupiter and the Elephant, illustration from Aesop's Fables
  42. Alice in the Looking Glass House, from 'Through the Looking Glass' by Lewis Carroll
  43. The Underground Railroad Aids With A Runaway Slave
  44. World War II painting of Winston Churchill wearing his RAF uniform
  45. Flying Machine, drawing by Leonardo da Vinci. Ca. 1488
  46. Earth Agate A
  47. Stethoscope
  48. Hebrew Bible, 1299. Ark of the Covenant open showing Tablets of the Law