12th-century manuscript of the Canon — page from one of the oldest copies of the second volume of "Canon Of Medicine" by Avicenna (980-1037). The Institute of Manuscripts of Azerbaijan National Academy of Sciences "The Institute's version of the manuscript was copied in 1143, a little more than 100 years after the text was written. It is one of the oldest Avicenna manuscripts in the world and is considered to be the most reliable."
Photo Credit: By Unknown - http://portal.unesco.org/ci/photos/showphoto.php/photo/4453, Public Domain, https://commons.wikimedia.org/w/index.php?curid=9362034