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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. Earth Agate A
  11. Egyptian and Assyrian counting systems
  12. Soap bubbles on a dodecahedral frame
  13. Blackfoot Native American
  14. Bright Periodic Table - White, Modern Text
  15. Malachite
  16. Microphone
  17. The Fir-Tree and the Bramble, illustration from Aesop's Fables
  18. Oil Pump Jacks On Canadian Prairie At Dusk, Carlyle, Saskatchewan, Canada
  19. Van Gogh from Space - USGS Earth as Art
  20. Hey Diddle, Diddle, from Old Mother Goose's Rhymes and Tales
  21. Close Ups Of Fortification On Crazy Lace Agate
  22. Earth
  23. The Fox and the Grapes, Selected Fontaine's Fables
  24. The Fox and the Rooster
  25. Fascimile of a letter from Vincent Van Gogh to Emile Bernard on the 18th March 1888
  26. Inquiry in the Loss of the Titanic: Cross sections of the ship
  27. Signal Hill Oil Derricks
  28. Mohawk Village, 1780
  29. George Washington, by Gilbert Stuart (Vaughan-Sinclair portrait), 1795
  30. Microscope
  31. Armillary sphere
  32. Hand doing math homework
  33. The Nina, Pinta, And Santa Maria
  34. How the Titanic Survivors Were Picked Up by the Carpathia
  35. Bogda Mountains - USGS Earth as Art
  36. Portrait Of Harriet Tubman, 1868-69
  37. Petrarch. Italian poet. The in Triumph of Love (15th c.) National Library, Madrid
  38. William Shakespeare at the Age 34, By Louis Coblitz, c.1830-60, German, oil on canvas
  39. Conceptual image of neuron
  40. Vintage Civil War print of Abraham Lincoln riding on horseback as a crowd cheers
  41. Flying Machine, drawing by Leonardo da Vinci. Ca. 1488
  42. Alice in the Looking Glass House, from 'Through the Looking Glass' by Lewis Carroll
  43. Hudson River, Military Map
  44. The Lion, Jupiter and the Elephant, illustration from Aesop's Fables
  45. The Underground Railroad Aids With A Runaway Slave
  46. World War II painting of Winston Churchill wearing his RAF uniform
  47. Stethoscope
  48. Mushroom Chart I light