Title: Kvadratnai︠a︡ pisʹmennostʹ
Subjects: Inscriptions, Mongolian, 'Phags-pa alphabet, Sources, Mongols, Mongolian language, History, Bibliography, Mongolian Inscriptions
People: N. N. Poppe (1897-1991)
Time periods: Middle Mongolian, 13th century-16th century, To 1500