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  1. Antique Stock Certificate I
  2. RMS Titanic being moved out of drydock, March 6, 1912
  3. Signature of John Hancock
  4. Stacked Agate II
  5. Pennsylvania, Gettysburg, Battle of Gettysburg, tree and battlefield monument, dawn
  6. Einstein
  7. Van Gogh from Space - USGS Earth as Art
  8. Travels Around the World
  9. Australia, Northern Territory, Arnhem Land, Mt Borradaile, rock paintings
  10. Scanning electron micrograph of HIV particles infecting a human T cell
  11. Tlazolteotl and Chalchiuhtlicue, Aztec Goddesses of Love and Water. 15th c. Codex Cospi
  12. Desert to Forest - USGS Earth as Art
  13. Taking Off..., illustration from 'Wings Across the World', 1978
  14. Spatial dimensions, conceptual artwork
  15. Study of the Human Figure, Lateral View
  16. Dice on math game
  17. Laboratory Equipments
  18. Highlights from History: Ireland's 'Great Rebellion'
  19. Vintage Civil War print featuring the Battle of Gettysburg
  20. The Underground Railroad Aids With A Runaway Slave
  21. Plan Of the Campaign In New York And New Jersey, 1776
  22. Illustration From Grimm's Fairy Tale, The Three Little Men In The Wood
  23. Liver proteins
  24. A Prehistoric Mammoth Hunt
  25. George And Martha Washington At Presidential Reception
  26. Conceptual image of platelet, red blood cell and white blood cell
  27. The cervical vertebrae
  28. Vintage American History painting of Alexander Hamilton
  29. Orbits of Earth Crossing Asteroids
  30. John Adams, by Gilbert Stuart, c. 1800-15
  31. School Time, 1874, American painting
  32. Roman Roads
  33. Sir John Hawkins (1532-95)
  34. Oregon. Close-up of Owyhee Picture Jasper stone
  35. Global map of Saturns moon Dione
  36. The Fox and the Rooster
  37. 1st Infantry Division of the U.S. Army with Big Red One number
  38. Stacked Agate I
  39. Sohrab Facing the Tent of the Persian Army Leaders. Shahnameh. The Book of Kings. 16th c
  40. On the deck of the Titanic
  41. Fun Facts about the U.S. Presidents
  42. Molecule Licorice
  43. Native American Camp, 1891
  44. Molecule Milk
  45. California, Summit City, Shasta Dam, Shasta Lake, with view of Mt. Shasta
  46. The Sinking of the Laconia in 1942
  47. How the Titanic Survivors Were Picked Up by the Carpathia
  48. Development of Arabic numerals