Böwering, Gerhard. 1986. “VICTOR DANNER, WHEELER M. THACKSTON, Annemarie Schimmel. IBN AṬĀ’ILLĀH:THE BOOK OF WISDOM KHAWAJAH ’ABDULLĀH ANṢĀRĪ: INTIMATE CONVERSATIONS ”. Islamic Studies 25 (01), 100-101. http://irigs.iiu.edu.pk:64447/ojs/index.php/islamicstudies/article/view/5555.