8 1 10 1) Geis,D Additional Author Muhammad Tufail Additional Author mixed material USA Columbia Record Club, NewYork, 1961 1) Robbin,I Additional Author Muhammad Tufail Additional Author mixed material USA Wonder Books, Inc 1963 1) Muhammad Tufail Additional Author Thompson,P.D and Brien,R.O Additional Author mixed material USA Time Incorporated 1965 Muhammad Tufail Additional Author Arber,A Additional Author mixed material Cambridge Cambridge University Press 1950 Muhammad Tufail Additional Author Western,J.H Additional Author mixed material London The Macmillan Press Ltd 1971 Muhammad Tufail Additional Author Foth,H.D, Schafer,J.W Additional Author mixed material New York John Wiley & Sons 1980 Grunebaum,G.E.V Additional Author mixed material London Curzon Press 1976 Schlich,W Additional Author Gibb, H.A.R. Additional Author Kramers, J.H. Additional Author Levi-Provencal, E. Additional Author mixed material London Bradbury, Agnew, & Co. LD., 10, Bouverie Street 1922