Berlin, 1987 x + 347pp. (text in German) + 153pp. (text in Arabic), 21cm., softcover, Doctoral dissertation (Inaugural-Dissertation zur Erlangung des Doktorgrades am Fachbereich Altertumswissenschaften (Arabistik) der Freien Universität Berlin), stamp at verso of title page, text is clean and bright (looks unread), X110800