Columbia subject headings:
Buddhism--China--Tibet Autonomous Region--Early works to 1800.
Sa-skya-pa (Sect)--Early works to 1800.
Harvard subject headings:
Buddhism--China--Tibet Autonomous Region--Doctrines--Early works to 1800.
Buddhist education.
Sa-skya-pa (Sect)--Doctrines--Early works to 1800.
Princeton subject headings:
Abhidharma.