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[Footnote 1: There are about 112 Upani@sads which have been published by the "Nir@naya-Sâgara" Press, Bombay, 1917. These are 1 Ísâ, 2 Kena, 3 Katha, 4 Pras'na, 5 Mun@daka, 6 Mâ@n@dukya, 7 Taittirîya, 7 Aitareya, 9 Chândogya, 10 B@rhadâra@nyaka, 11 S'vetâs'vatara, 12 Kau@sitaki, 13 Maitreyî, 14 Kaivalya, 15 Jâbâla, 16 Brahmabindu, 17 Ha@msa, 18 Âru@nika, 19 Garbha, 20 Nârâya@na, 21 Nârâya@na, 22 Paramaha@msa, 23 Brahma, 24 Am@rtanâda, 25 Atharvas'iras, 26 Atharvas'ikhâ, 27 Maitrâya@nî, 28 B@rhajjâbâla, 29 N@rsi@mhapûrvatâpinî, 30 N@rsi@mhottaratâpinî, 31 Kâlâgnirudra, 32 Subâla, 33 K@surikâ, 34 Yantrikâ, 35 Sarvasâra, 36 Nirâlamba, 37 S'ukarahasya, 38 Vajrasûcikâ, 39 Tejobindu, 40 Nâdabindu, 41 Dhyânabindu, 42 Brahmavidyâ, 43 Yogatattva, 44 Atmabodha, 45 Nâradaparivrâjaka, 46 Tris'ikhibrâhma@na, 47 Sîtâ, 48 Yogacû@dama@ni, 49 Nirvâna, 50 Ma@ndalabrâhma@na, 51 Dak@si@nâmûrtti, 52 S'arabha, 53 Skanda, 54 Tripâdvibhûtimahânârya@na, 55 Advayatâraka, 56 Ramarahasya, 57 Râmapûrvatâpinî, 58 Râmottaratâpinî, 59 Vâsudeva, 60 Mudgala, 61 Sâ@n@dilya, 62 Pai@ngala, 63 Bhik@suka, Mahâ, 65 S'ârîraka, 66 Yogas'ikhâ, 67 Turiyâtîta, 68 Sa@mnyâsa, 69 Paramaha@msaparivrâjaka, 70 Ak@samâlâ, 71 Avyakta, 72 Ekâk@sara, 73 Annapûrnâ, 74 Sûrya, 75 Aksi, 76 Adhyâtma, 77 Ku@n@dika, 78 Sâvitrî, 79 Âtman, 80 Pâ'supatabrahma, 81 Parabrahma, 82 Avadhûta, 83 Tripurârâpini, 84 Devî, 85 Tripurâ, 86 Ka@tharudra, 87 Bhâvanâ, 88 Rudrah@rdaya, 89 Yogaku@n@dali, 90 Bhasmajâbâla, 91 Rudrâk@sajâbâla, 92 Ga@napati, 93 Jâbâladars'ana, 94 Tâiasâra, 95 Mahâvakya, 96 Paficabrahma, 97 Prâ@nâgnihotra, 98 Gopâlapûrvatâpinî, 99 Gopâlottaratâpinî, 100 K@r@s@na, 101 Yâjñavalkya, 102 Varâha, 103 S'âthyâyanîya, 104 Hayagrîva, 105 Dattâtreya, 106 Garu@da, 107 Kalisantara@na, 108 Jâbâli, 109 Saubhâgyalak@smî, 110 Sarasvatîrahasya, 111 Bahvrca, 112 Muktika.
The collection of Upani@sads translated by Dara shiko, Aurangzeb's brother, contained 50 Upani@sads. The Muktika Upani@sad gives a list of 108 Upani@sads. With the exception of the first 13 Upani@sads most of them are of more or less later date. The Upani@sads dealt with in this chapter are the earlier ones. Amongst the later ones there are some which repeat the purport of these, there are others which deal with the S'aiva, S'âkta, the Yoga and the Vai@s@nava doctrines. These will be referred to in connection with the consideration of those systems in Volume II. The later Upani@sads which only repeat the purport of those dealt with in this chapter do not require further mention. Some of the later Upani@sads were composed even as late as the fourteenth or the fifteenth century.]