Well researched biography of the great Naqshbandi Sufi master Hazrat Khwaja Ubaydullah Ahrar Samarqandi (d. 1490 AH/ 895CE), with details of his writings and other sources of information. Author: Arif Naushahi
Published in 2010, 356 pages
Digitized by Maktabah Mujaddidiyah (www.maktabah.org) December 2012
Files hosted at Internet Archive
archive.org/details/KhwajaAhrarurdu
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خواجہ احرار (اردو)
حضرت خواجہ عبیداللہ احرار سمرقندی قدس سرہ کے حالات اور تصنیفات پر ایک مکمل تحقیق
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