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    Fot
      I
           Fotos , John Theodore , 1903 - Introductory readings in and technical German [by] John Teodore Fotos and John L . Bray . Edited for Rapid Reading with a summary of reading difficulties a cheminical German froquency list and progresive page vocabularies and notes . New York , J . Wiley [ 1957 , c1941 ] 302 p . ilus . 21 cm ( German chemical series )