Tahqiq-ul-Haqq Fi Kalimat-il-Haqq (Urdu) is a book about Sufism, which starts with Tauheed-e-Wujoodi and its secrets, and then some information on practical Tasawwuf.
by Hazrat Sayyid Pir Meher Ali Shah Chishti Golravi
Published in 2004
Files hosted at Internet Archive
http://archive.org/details/Tahqiq-ul-haqqFiKalimat-il-haqqurdu
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