Lam ʼbras khog phub [and] Bde mchog chos ʼbyuṅ : two historical studies of the Sa-skya-pa Lam ʼbras and Chakrasamvara traditions - Ngag-dbang-kun-dga'-bsod-nams, 'Jam-mgon A-myes-zhabs, 1597-approximately 1662 (Ngawang Topgay, 1974)