* J. Horovitz: “The Earliest Biographies of the Prophet and Their Authors", Islamic Culture, vol 1: 1927, vol 2: 1925 (ترجمها من الألمانية إلى الإنگليزية محمد مارمادوك بكتال.
==Bibliography==* J. Horovitz: “The Earliest Biographies of the Prophet and Their Authors", translated from the German by Marmaduke Pickthall, Islamic Culture, vol 1: 1927, vol 2: 1925== Notes ==* Josef-Horovitz' books at the Open Library