also referred to as chos grwa bcu gsum/, chos sde bcu gsum/ or dbus gtsang gi chos grwa bcu gsum) Everding 2010 (p. 21, n. 79)
sde srid sangs rgyas rgya mtsho/ (1653–1705) lists the chos grwa bcu gsum/ in baiDU rya ser po [1989] (pp. 396-400)
dung dkar tshig mdzod chen mo [2002] (s.v. gling bcu gsum), citing mi dbang pho lha nas bsod nams stobs rgyas/ (1689–1747)'s extensive biography, the mi dbang rtogs brjod/