a mdo 'dul 'dzin pa

sems sde'i rgyud chen nyi shu rtsa bzhi - twenty-four great tantras of the mental class. As enumerated in Longchenpa, Treasury of Spiritual and Philosophical Systems, pp. 258-260, they are as follows. {sems nyid bya rtsol las 'das pa nam mkha' che rtsa ba'i rgyud dang phyi ma'i rgyud}, {nam mkha' che phyi ma phyi ma'i rgyud}, {sems nyid 'pho 'gyur med pa chos nyid rgyal po'i rgyud}, {sems nyid thig le nyag gcig tu ston pa byang chub kyi sems thig le'i rgyud}, {sems nyid rang byung gi ye shes su bstan pa ye shes thig le'i rgyud}, {sems nyid thams cad kyi rtsa bar bstan pa man ngag phreng ba'i rgyud}, {sems nyid kun khyab chen por bstan pa gsang ba rgyal po'i rgyud}, {sems nyid rang rig tu bstan pa ye shes dam pa'i rgyud}, {sems nyid kun tu bzang po'i rol par ston pa mkha' dbyings rnam dag gi rgyud}, {sems nyid kun gyi snying po ston pa man ngag snying po'i rgyud}, {sems nyid rang rig tu yid ches pa snying po gsang ba'i rgyud}, {sems nyid kun gyi rtsa ba nam mkha' che rtsa ba can gyi rgyud}, {sems nyid gcig tu 'dus pa nyag gcig dgongs pa'i rgyud}, {sems nyid ji bzhin par bzhag pa bsam gtan chen po'i rgyud}, {sems nyid rgyun chags su goms pa bsam gtan rgyun chags kyi rgyud}, {sems nyid thams cad du gsungs pa sgo mang mdo'i rgyud}, {sems nyid dbang dang sbyar ba nam mkha' che dbang gi rgyud}, {sems nyid sgra tshig las 'das pa nam mkha' che yi ge med pa'i rgyud}, {sems nyid gdod ma'i gnas su bstan pa nam mkha' che gzhi'i rgyud}, {sems nyid 'od gsal du bstan pa rin chen 'bar ba'i rgyud}, {sems nyid yon tan lhun grub tu bstan pa rin po che phreng ba'i rgyud}, {sems nyid khams gsum la gsal ba khams gsum sgron ma'i rgyud}, {sems nyid spang blang las 'das par ston pa nges pa snying po'i rgyud}, and {sems nyid 'pho 'gyur med par ston pa rdo rje gsang ba'i rgyud} [GM] [RY]