Author : Ṣalāḥaddīn Ḫalīl b. Aibak aṣ-Ṣafadī

Editors : Part 1, edited by Hellmut Ritter
Helmut Ritter was a German Orientalist and Expert of Islamic theology and mysticism.

2^nd edition, Stuttgart, Berlin 1962

385 pp.
 

Link to the website with an option to download the book