Tantra (तन्त्रम्)
Occurrences of the word Tantra
ऋग्वेद: सूक्तं १०.७१, Wikisource, Quote: "इमे ये नार्वाङ्न परश्चरन्ति न ब्राह्मणासो न सुतेकरासः । त एते वाचमभिपद्य पापया सिरीस्तन्त्रं तन्वते अप्रजज्ञयः ॥९॥"
Yajurveda, Taittiriya Brahmana 11.5.5.3
Sāmaveda, Tandya Brahmana
10.7.42 of the Atharvaveda
Śatapatha Brāhmaṇa
Pāṇini in Aṣṭādhyāyī 1.4.54 and 5.2.70
Īśvarakṛṣṇa author of Sānkhya Kārikā (kārikā 70)
Chanakya on Arthaśāstra
Viṣṇu Purāṇa
Gangdhar stone inscription in Rajasthan
Sabarasvamin's commentary on Mimamsa Sutra 11.1.1, 11.4.1 etc.
Kāmikāgama or Kāmikā-tantra
Abhinavagupta in his Tantrāloka
Jayaratha, Abhinavagupta's commentator on Tantrāloka
References
Banerjee, Sures Chandra (1988). A Brief History of Tantra Literature. Kolkata: Naya Prokash.
Kauṭalya; R. P. Kangle (1986). The Kautiliya Arthasastra. Motilal Banarsidass. pp. 512 with footnote. ISBN 978-81-208-0042-7.
Bagchi, P.C. (1989). Evolution of the Tantras, Studies on the Tantras. Kolkata: Ramakrishna Mission Institute of Culture. ISBN 978-81-85843-36-0.
Banerjee, Sures Chandra (2002). Companion to Tantra. Abhinav Publications. ISBN 978-1-70174-022-8.