This is a treatise on the Zahiri school of thought and their history.  One of the greatest and famous scholars of all time, Imaam Abu Muhammad ibn Hazm of Al-Andalus, was a follower of this Mathhab.  Another title for this school and its followers is Dawudis, or Ahl az-Zahir, named after Imaam Dawud az-Zahiri.
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http://rapidshare.com/files/219507923/The_Zahiris.pdf.html
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Alhumdulillaah, [...]