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  1. Teaching is My Super Power
  2. Wingate Pass Agate, Ca
  3. Antique Stock Certificate I
  4. Bogda Mountains - USGS Earth as Art
  5. The bones of the pelvis
  6. Akpatok Island - USGS Earth as Art
  7. Signature of John Hancock
  8. Vintage Parchment Dentist Chair Patent Poster
  9. Front page of The New York Times, 13 February 1945, reporting on the Yalta Conference
  10. 'Ar never gets off'
  11. Golden Pharoah
  12. World Map, 500 BC
  13. Vintage Parchment Pencil Sharpener Patent Poster
  14. Watercolor Agate I
  15. Rib cage and heart, 3D CT scan
  16. Pipestone Quarry On the Coteau Des Prairies, 1836
  17. South American Independence
  18. Solar System - Blue I
  19. Listen to your Teacher
  20. Constellation - Orion
  21. Vintage Parchment Ophthalmoscope Patent Poster
  22. Oscar Wilde
  23. Miss Nightingale in the Hospital at Scutari
  24. Oil well pump jacks at Bakken Oil Field near Estevan, Saskatchewan, Canada
  25. Virginia - USGS State Mosaic
  26. Travels Around the World
  27. Karman Vortices - USGS Earth as Art
  28. Benjamin Franklin, copy of 1777 painting by Jean-Baptiste Greuze
  29. Vintage Civil War print of the Battle of Fredericksburg
  30. General Philip Kearny's fatal charge at the Battle of Chantilly
  31. 1151 Highlanders Resting At The Front, 1918
  32. Vintage American History print of General George Washington at The Battle of Trenton
  33. Sohrab Facing the Tent of the Persian Army Leaders. Shahnameh. The Book of Kings. 16th c
  34. Berlin Wall
  35. Relaxing feet.
  36. Oregon, Owyhee River Valley. Close-up of Morrisonite Jasper
  37. Dandy Bones
  38. Microscopic view of bacteria
  39. Microscope
  40. Molecule THC
  41. The Dancing Academy. Illustration for Sketches by Boz by Charles Dickens
  42. Pluto III
  43. On the deck of the Titanic
  44. Mushroom Chart I light
  45. The Shipwrecked Man and the Sea, illustration from Aesop's Fables
  46. Wisconsin - USGS State Mosaic
  47. Sioux Dance, 1890
  48. Capture and Death of Sitting Bull Lithograph