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  1. Solar System (Minimal)
  2. George Washington, by Gilbert Stuart, 1821
  3. New Mexico - USGS State Mosaic
  4. Battle Of Mobile Bay, 1864
  5. Harriet Tubman II
  6. Teacher Truths black I-Successful Students
  7. Girl looking over stack of books
  8. A simplified Herzprung Russell Diagram showing how stars are classified
  9. Behemoth and Leviathan
  10. Little Boy Blue, from Old Mother Goose's Rhymes and Tales
  11. Knights of the Round Table
  12. Revolutionary War Plan
  13. Man using laptop computer
  14. Puerto Rico - USGS State Mosaic
  15. The Swedish Warship Vasa
  16. Northern Norway - USGS Earth as Art
  17. Scene From Little Red Riding Hood By Charles Perrault, 1880
  18. North Carolina - USGS State Mosaic
  19. Portrait of Booker T. Washington sitting in a chair
  20. Oscar Wilde, 1854 - 1900, Irish Poet And Playwright
  21. The Making of America: 'Hear Me, My Chiefs'
  22. Global map of Saturns moon Dione
  23. Timberman
  24. Heather - Botanical Illustration
  25. Signature Of Charles Dickens, 1812-1870. From The Book Bleak House
  26. Normal spine, X-ray
  27. Oregon. Close-up of Owyhee Picture Jasper stone
  28. Mushroom Chart II
  29. The Discovery Of Nat Turner
  30. Australia, Northern Territory, Arnhem Land, Mt Borradaile, rock paintings
  31. Rice Terraces, Longsheng Ping'an, Guangxi
  32. A Relative
  33. Conceptual image of DNA
  34. Terracotta Warriors
  35. Vintage Civil War Print of General Ulysses S. Grant
  36. The musculoskeleton of the neck
  37. Barreal Blanco - USGS Earth as Art
  38. Vintage Parchment Edison Light Bulb Poster
  39. Portrait of naturalist and geologist Charles Darwin
  40. Bears
  41. Detached blood clot, artwork
  42. Civil War, Texas Rangers, 1861
  43. The Rosetta Stone
  44. The Titanic's propeller in the Thompson Graving Dock of Harland
  45. Wire Frame Render of a Clock Mechanism
  46. Toad of Toad Hall
  47. World War I, Map, c1918
  48. The Rape of Europa