The 32 brahma-vidyas of the Upanishads

1. Sad Vidya -- Brahman as the ground of all being
   Chhandogya Upanishad, VI
2. Antaraaditya Vidya -- Brahman as the Inner Controller of the Sun
   Chhandogya Upanishad, I.vi.6
3. Akasa Vidya -- Brahman as the Cosmic Ether
   Chhandogya Upanishad, I.ix.1
4. Prana Vidya -- Brahman as the Vital Breath
   Chhandogya Upanishad, I.xi.5
5. Paramjyoti Vidya -- Brahman as the Supreme Splendor
   Chhandogya Upanishad, III.xiii.7
6. Sandilya Vidya -- Meditation as taught by Sandilya
   Chhandogya Upanishad, III.xiv.7
7. Upakosala Vidya -- Meditation as taught to Upakosala
   Chhandogya Upanishad, IV.x
8. Vaisvaanara Vidya -- Brahman as the Universal Being
   Chhandogya Upanishad, V.xi
9. Bhuma Vidya -- Brahman as the Great One
   Chhandogya Upanishad, VII
10. Satyakaama Vidya -- Meditation as taught to Satyakaama Jaabaala
    Chhandogya Upanishad, IV.iv
11. Dahara Vidya -- Brahman as the Imperceptible Ether within the Heart
    Chhandogya Upanishad, VIII
12. Madhu Vidya -- Brahman as Honey
    Chhandogya Upanishad, III.i
13. Samvarga Vidya
    Chhandogya Upanishad, IV.iii
14. Gayatri Vidya -- Brahman as the Holy Gayatri Mantra
    Chhandogya Upanishad, III.xii
15. Panca Agni Vidya -- The Meditation of the Five Fires
    Chhandogya Upanishad, V.iii to x.
16. Akshi Vidya -- Brahman as being present within the Eye
    Chhandogya Upanishad, IV.xv.1

17. Antaryaami Vidya -- Brahman as the Inner Controller
    Brhadaaranyaka Upanishad, III.vii
18. Akshara Vidya -- Brahman as the Imperishable
    Brhadaaranyaka Upanishad, III.viii.8
19. Jyotishaam jyotir Vidya -- Brahman as the Light of Lights
    Brhadaaranyaka Upanishad, IV.iv.16
20. Maitreyi Vidya -- Meditation as taught by Yajnavalkya to his wife Maitreyi
    Brhadaaranyaka Upanishad, II.iv
21. Sarvaantaraatmaa Vidya -- Brahman as the Inner Self of All
    Brhadaaranyaka Upanishad, III.iv

22. Anandamaya Vidya -- Brahman as the Self consisting of Bliss
    Taittiriya Upanishad, Anandavalli
23. Vaaruni Vidya -- Meditation as taught by the god Varuna
    Taittiriya Upanishad, Bhriguvalli

24. Nyaasa Vidya -- Self-surrender
    Taittiriya Narayanam, 49-52

25. Paramapurusha Vidya -- Brahman as the Supreme Person
    Katha Upanishad, I.iii
26. Naciketa Vidya -- Meditation with the Naciketa fire
    Katha Upanishad, I.ii
27. Angushta-pramita Vidya -- Brahman as resident within the Heart, of the size of the Thumb
    Katha Upanishad, II.iv.12

28. Paryanka Vidya -- Brahman as the highest God seated in the Supreme Abode
    Kaushitaki Upanishad, I
29. Pratardana Vidya -- Meditation as taught to Pratardana by the god Indra
    Kaushitaki Upanishad, III
30. Baalaaki Vidya -- Meditation as taught to Baalaaki
    Kaushitaki Upanishad, IV

31. Aksharapara Vidya -- Meditation on the Imperishable
    Mundaka Upanishad, I

32. Isavasya Vidya -- Meditation as taught in the Isavasya Upanishad
    Isavasya Upanishad