1012-1097 bhutan biography bkaʼ-brgyud-pa(sect) bkaʼ-rgyud-pa(sect) bkaʾ-rgyud-paauthors bkaʾ-rgyud-palamas buddhism buddhisthagiography buddhistmonasteries china history historyandcriticism historyse-ba-lachosʼkhorrdorjegdan lamas mar-pachos-kyi-blo-gros spirituallife tibetautonomousregion