Robert Hume, "Chandogya Upanishad", The Thirteen Principal Upanishads, Oxford University Press, pp. 177-274
Max Muller, "Chandogya Upanishad", The Upanishads, Part I, Oxford University Press, pp. LXXXVI-LXXXIX
For example, the third hymn is a solemn promise the bride and groom make to each other as, "That heart of thine shall be mine, and this heart of mine shall be thine". See: Max Muller, Chandogya Upanishad, The Upanishads, Part I, Oxford University Press, page LXXXVII with footnote 2.
Max Muller, Chandogya Upanishad, The Upanishads, Part I, Oxford University Press, pp. 1-3 with footnotes.
Max Muller, "Chandogya Upanishad", The Upanishads, Part I, Oxford University Press, pp. 4-19 with footnotes
Max Muller, "Chandogya Upanishad", The Upanishads, Part I, Oxford University Press, pp. 4-6 with footnotes.
Robert Hume, "Chandogya Upanishad", The Thirteen Principal Upanishads, Oxford University Press, pp. 178-180
Robert Hume, "Chandogya Upanishad 1.8.7 - 1.8.8", The Thirteen Principal Upanishads, Oxford University Press, pp. 185-186
Max Muller, "Chandogya Upanishad 1.9.1", The Upanishads, Part I, Oxford University Press, p. 17 with footnote 1.
Robert Hume, "Chandogya Upanishad 1.12.1 - 1.12.5", The Thirteen Principal Upanishads, Oxford University Press, pp. 188-189
Gopal, Madan (1990). K.S. Gautam (ed.). India through the ages. Publication Division, Ministry of Information and Broadcasting, Government of India. p. 81.
Max Muller, "Chandogya Upanishad 5.1", The Upanishads, Part I, Oxford University Press, pp. 76-84 with footnotes.
Robert Hume, "Chandogya Upanishad 5.3-5.10", The Thirteen Principal Upanishads, Oxford University Press, pp. 230-234
However, this is not unusual, as musical instruments are also mentioned in other Upanishads, such as Brihadaranyaka Upanishad (section 5.10) and in the Katha Upanishad (section 1.15); See E Roer, The Brihad Āraṇyaka Upanishad at Google Books, pp. 102, 252
for example, verse 4.9.2 states: ब्रह्मविदिव वै सोम्य भासि को नु त्वानुशशासेत्यन्ये मनुष्येभ्य इति ह प्रतिजज्ञे भगवाँस्त्वेव मे कामे ब्रूयात् ॥ २ ॥; see, Chandogya 4.9.2 Wikisource; for translation, see Paul Deussen, page 126 with footnote 1
worldcat.org
Patrick Olivelle (1993), The Āśrama System: The History and Hermeneutics of a Religious Institution, Oxford University Press; OCLC466428084, pp. 1-30, 84-111
Patrick Olivelle (1993), The Āśrama System: The History and Hermeneutics of a Religious Institution, Oxford University Press; OCLC466428084, p. 30
