Author  : Abu 'l-Ḥasan ʿAlī b. Ismāʿīl al-Ašʿarī

Editor   : Edited by Hellmut Ritter
 

Helmut Ritter was a German Orientalist and Expert of Islamic theology and mysticism.
1st edition, Istanbul, 1933 

Part 3, 72 pp.
 

Link to the website with an option to download the book