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  1. European Travel
  2. Anti Child Labor Poster, 1913
  3. Normal hip, X-ray
  4. Page Proof From Great Expectations, Charles Dickens's Hand Written Corrections, 1812
  5. The vertebral column
  6. Conceptual image of DNA
  7. Civil War, Atlanta, c1863
  8. Earth I
  9. Wind turbine in rural location with old barn in Cavalier County, USA
  10. Energy
  11. Earth Agate A
  12. Annunciation to the Shepherds. Book of Hours of Leonor de la Vega. 1465-70
  13. Normal knee, X-ray
  14. Map of Palestine, Palestina Antiqua
  15. The Summer Road
  16. Young boy in school writing on chalkboard
  17. Tennessee - USGS State Mosaic
  18. Orbits of Earth Crossing Asteroids
  19. Garden Tulip - Botanical Illustration
  20. Human digestive system, with labels
  21. Wright Flyer sculpture at Wright Brothers National Memorial, North Carolina
  22. Michigan - USGS State Mosaic
  23. Pencil Nub and Equation
  24. Conceptual image of platelets with red blood cells
  25. Capitol From the Botanical Gardens
  26. Plan Of the Campaign In New York And New Jersey, 1776
  27. 'Nurse's Song,' plate 18 from 'Songs of Innocence,' 1789
  28. Blood cells in blood vessel, artwork
  29. 'My Pretty Rose Tree,' and 'Ah! Sun-flower,' and 'The Lily,' from 'Songs of Experience'
  30. Sagenite On Mexican Agate
  31. Ferdinand Magellan (1480-1521) on discovering the Pacific Ocean
  32. A Pawnee Brave
  33. Costellazioni II
  34. Primo Carnera, 1906 - 1967, Nicknamed The Ambling Alp, Italian Professional Boxer, 1938
  35. Men in Armour IV
  36. School Study IV
  37. JPL Welcome Back
  38. Relief depicting a pharaoh making an offering, Temple of Luxor, Egypt
  39. Vintage print of Presidents James Garfield, Abraham Lincoln, and William McKinley
  40. Vintage Parchment Vintage Cash Register 1890 Patent Poster
  41. Molecule Testosterone
  42. Laboratory Equipments
  43. Paisley Agate
  44. Vintage American History print of Colonel Theodore Roosevelt
  45. Cardiovascular system, artwork
  46. Fagin in the Condemned Cell. Illustration for the novel Oliver Twist
  47. Molecule Estrogene
  48. Andalgalornis steulleti, a flightless predatory bird