Tathāgatagarbha Collection
Sutras teaching the inherent Buddha-nature in every being.
4 texts
Mahāparinirvāṇa Sūtra (Mahāyāna)
Different from Theravada version — affirms permanent, blissful, self, pure Buddha-nature.
Ratnagotravibhāga — Sublime Continuum
Treatise on Buddha-nature attributed to Maitreya, transmitted via Asaṅga.
Śrīmālādevī Siṃhanāda Sūtra
Queen Śrīmālā's lion's roar on Buddha-nature and bodhisattva practice.
Tathāgatagarbha Sūtra
The earliest sutra explicitly teaching Buddha-nature in all beings.