Josef (daha sonra Joseph) Kastein, gerçek adı Julius Katzenstein (d. 6 Ekim 1890, Bremen - ö. 13 Haziran 1946, Haifa), Alman-doğumlu yazar ve hukukçu. Eine Geschichte der JudenBir Yahudinin Aşkı nı yazdı, 1931 de Berlin'de Rowohlt tarafından yayınlandı (İngilizce, İbranice ve Almancaya çevrildi). Eserleri * Melchior. Ein hanseatischer Kaufmannsroman. Bremen, Friesen-Verlag, c1927. * The Messiah of Ismir: Sabbatai Zevi. Translated by Huntley Paterson. New York, Viking Press, c1931. * Eine Geschichte der Juden. Berlin, Ernst Rowohlt Verlag, 1931. (Reed. Vienna, Löwit, 1935). * Jews in Germany. Translated from the German by Dorothy Richardson, with a preface by James Stephens. London, The Cresset press, 1934. * Uriel da Costa, oder, Die Tragoedie der Gesinnung. Berlin, Rowohlt, 1932. * Juedische Neuorientierung. Vienna, R. Loewit, 1935. * History and destiny of the Jews. Translated by Huntley Paterson. Garden City, N.Y., Garden City publishing co., inc., 1936. Dış bağlantılar * Personality of the Week - Katzenstein at www.bh.org.il * Maremagnum at www.maremagnum.com
