Title: Nasir ad-Din at-Tusi i ego trudy po matematike i astronomii v bibliotekakh Sankt-Peterburga, Kazani, Tashkenta i Dushanbe
Subjects: Arabic Manuscripts, Bibliography, Catalogs, Persian Manuscripts
Places: Dushanbe, Kazanʹ, Russia (Federation), Saint Petersburg, Tajikistan, Tashkent, Uzbekistan
People: Naṣīr al-Dīn Muḥammad ibn Muḥammad Ṭūsī (1201-1274)