Full reference OpenMind biblio ref
Khusraw Nāṣir-i. 1950. Kitāb-I gushāʾish Wa rahāʾish (The Book of Unfettering and Liberation). Ed. Nafīsī Saʻīd. Leiden: E.J. Brill.
{ Nāṣir-i Khusraw, Saʻīd Nafīsī, 1950 #11362 }