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  1. Teacher Truths black I-Successful Students
  2. A simplified Herzprung Russell Diagram showing how stars are classified
  3. Battle Of Mobile Bay, 1864
  4. George Washington, by Gilbert Stuart, 1821
  5. Little Boy Blue, from Old Mother Goose's Rhymes and Tales
  6. Harriet Tubman II
  7. Solar System (Minimal)
  8. Behemoth and Leviathan
  9. Knights of the Round Table
  10. Puerto Rico - USGS State Mosaic
  11. Man using laptop computer
  12. Portrait of naturalist and geologist Charles Darwin
  13. Revolutionary War Plan
  14. Portrait of Booker T. Washington sitting in a chair
  15. The Swedish Warship Vasa
  16. North Carolina - USGS State Mosaic
  17. Scene From Little Red Riding Hood By Charles Perrault, 1880
  18. The Titanic's propeller in the Thompson Graving Dock of Harland
  19. The Making of America: 'Hear Me, My Chiefs'
  20. Global map of Saturns moon Dione
  21. Heather - Botanical Illustration
  22. Vintage Parchment Wall Phone Patent Poster
  23. Normal spine, X-ray
  24. San Luis, Argentina - USGS Earth as Art
  25. Signature Of Charles Dickens, 1812-1870. From The Book Bleak House
  26. Rice Terraces, Longsheng Ping'an, Guangxi
  27. Conceptual image of DNA
  28. Oscar Wilde, 1854 - 1900, Irish Poet And Playwright
  29. Oregon. Close-up of Owyhee Picture Jasper stone
  30. Australia, Northern Territory, Arnhem Land, Mt Borradaile, rock paintings
  31. Vintage Civil War Print of General Ulysses S. Grant
  32. The Discovery Of Nat Turner
  33. Terracotta Warriors
  34. The musculoskeleton of the neck
  35. United We Stand - Civil Rights
  36. Civil War, Texas Rangers, 1861
  37. Detached blood clot, artwork
  38. World War I, Map, c1918
  39. Alexander Mackenzie (1764-1820)
  40. The Rosetta Stone
  41. Toad of Toad Hall
  42. Barreal Blanco - USGS Earth as Art
  43. Vintage Parchment Edison Light Bulb Poster
  44. Mushroom Chart III
  45. Carte De Visite Of Edmonia Lewis, 1870
  46. American History print of President George Washington and his family
  47. The Rape of Europa
  48. Bears