WITNESS

Risālah fī maʿrifat al-qisiy al-falakiyyah baʿḍuhā min baʿḍ bi-ṭarīq ghayr ṭarīq maʿrifatihā fī al-shakl al-qaṭṭāʿ wa-al-nisbah al-muʾallafah_Patna_Khuda Bakhsh Oriental Public Library_NONE (Patna)_2468