referring to foundations from the early ཕྱི་དར། period Ⓢ
Uebach 1987; for and overview, see Uebach 1987, tables 1 to 7
Sørensen & Hazod 2007 (pp. 659-665), V.6 Religious settlements of the early ཕྱི་དར communities in དབུས
mkhas pa'i dga' ston [1980] (vol. 1, pp. 473ff.)
zhi byed dang gcod yul gyi chos 'byung [1974]; Kollmar-Paulenz 1993
chos srid zung 'brel skor bshad [eng] (pp. 31-34)
See also Davidson 2005 (pp. 473-476), Appendix 1: Eastern vinaya temples, cave temples, and residences in the mid-eleventh century