Analysis of information sources in references of the Wikipedia article "Nasir Khusraw" in English language version.
Nāṣir-i K̲h̲usraw, whose full name was Abū Muʿīn Nāṣir b. K̲h̲usraw b. Ḥārit̲h̲ al-Ḳubād̲h̲iyānī, Persian poet and prose writer, a noted traveller, and an Ismāʿīlī philosopher and dāʿī [q.v.].
Nasir Khusraw, The Ruby of Badakhshan: A Portrait of the Persian Poet, Traveller and Philosoph
Nāṣir-i Khusraw was a Persian scholar, poet, traveler and missionary for the Ismāʿīlī Shīʿī movement who is widely credited with the establishment of the Ismāʿīlī community in Badakhshan.