Seventeen Tantras of the Esoteric Instructional Class. Contained in NGB. Vols. 9-10, they are the Natural Arising of Awareness {rig pa rang shar} the Mirror of the Heart of Vajrasattva {rdo rje sems dpa' snying gi me long}, the Lion's Perfect Expressive Power {seng ge rtsal rdzogs} the Absence of Letters {yi ge med pa} the Beauteous Good Auspices {bkra shis mdzes ldan}. the Penetration of Sound {sgra thal 'gyur} the Mirror of the Heart of Samantabhadra {kun tu bzang po thugs kyi me long} the Blazing Lamp {sgron ma 'bar ba} the Array of Fine Gemstones {nor bu 'phra bkod} the Coalescence of Sun and Moon {nyi zla kha sbyor} the Pearl Necklace {mu tig phreng ba}, the Natural Liberation of Awareness {rig pa rang grol} the Sixfold Expanse {klong drug pa} the Naturally Born Perfection {rdzogs pa rang byung} the Black Wrathful Goddess {nag mo khros ma} the Blazing Relics of Buddha-Body {sku gdung 'bar ba} the Mound of Gemstones {rin chen spungs}