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  1. If I Were A Cloud
  2. General Philip Kearny's fatal charge at the Battle of Chantilly
  3. Study of the Human Figure, Anterior View
  4. Boxing
  5. The human body with superimposed colored plates by Julien Bougle
  6. Elastic artery cross-section, SEM
  7. Tides as the Earth Turns
  8. That Dam Cloud
  9. United States Fun Facts
  10. Be Creative
  11. Front page of The New York Times, 13 February 1945, reporting on the Yalta Conference
  12. Wilson Dam, Flood Gates
  13. General Ulysses S. Grant leading Union troops into battle
  14. Joan of Arc Re-Captures City of Beaugency From the British
  15. Desert Patterns - USGS Earth as Art
  16. A pair of Allosaurus dinosaurs explore the remains of a Diplodocus carcass
  17. Variety Of Flasks
  18. Sioux Grass Dance, c1913
  19. The Presidents Educational Poster, 2017
  20. Ferdinand Magellan (1480-1521) on discovering the Pacific Ocean
  21. The bones of the foot
  22. Good Grades and Good Health Go Together - WPA Poster
  23. Dandy Bones
  24. Soldiers at camp during the American Civil War
  25. Abdominal fat tissue, SEM
  26. Title Page From The Luther Bible, C.1530
  27. Santa Fe, NM, Wagon Train
  28. Revolutionary War Plan
  29. Classical Montage
  30. Old Guard Foot Artillery in Hanau, 1813, From Book, 'The Old Guard,'
  31. The Tea Party II
  32. Illustration of strip of land known as the 'fertile crescent'
  33. The Earth's Annual Orbit
  34. The Two Rats, Fox, and Egg, La Fontaine's Fables
  35. Mark Twain , 1901
  36. Wright Flyer sculpture at Wright Brothers National Memorial, North Carolina
  37. The Transfiguration
  38. Colorized image of HIV-infected H9 T-cell
  39. Running On The Wind
  40. Pythagoras Maths Equation
  41. Comparing Saurischian and Ornithischian Pelvises
  42. Chalkboard with greetings written in English, French and German
  43. The Optimist - USGS Earth as Art
  44. World Map, 500 BC
  45. Timberman
  46. Solar System - Blue II
  47. Paul Charles Morphy (1837-84) engraved by D.J. Pound from a photograph
  48. The Summer Road