གཏེར་གྱི་རྣམ་གཞག།

§1. The idea of bstan zhabs gter gyis skyong ba (bKa’ thang sde lnga, p. 10)! How old is it? For details, see ibid. (pp. 529–539).

§2. The idea of entrusting “access code”? (gnyer byang/gad) of source of treasure (gter kha) (bKa’ thang sde lnga, p. 39). Investigate!

§3. The idea of chos rnams thams cad bka’ gter gnyis su ’dus (bKa’ thang sde lnga, p. 47)? How old? Cf. chos rnams thams cad bka’ dang bstan bcos gnyis || legs par gsungs dang …. 

§4. gsang gter rgya dang bcu (bKa’ thang sde lnga, p. 47).

See the Kaḥ thog lo rgyus (Appendix, p. 210): ri brag mtsho gsum zab mo gter gyis bkang ||.