1. Billard, R. 1971. L’astronomie indienne, investigation des textes sanskrits et des données numériques. Paris: Ecole française d’Extrême-Orient.
2. New Imperial Series;G. R. Kaye,1927
3. Hayashi Takao 1995. The Bakhshālī Manuscript. An ancient Indian mathematical treatise. Groningen: Egbert Forsten.
4. The Śulbasūtras of Baudhāyana, Āpastamba, Kātyāyana and Mānava, with Text, English Translation and Commentary, ed. S.N. Sen and A.K. Bag, New Delhi, Indian National Science Academy, 1983.
5. Āryabhaṭīya of Āryabhaṭa, critically edited with Introduction, English Translation, Notes, Comments and Indexes by K.S. Shukla in collaboration with K.V. Sarma, New Delhi, Indian National Science Academy, 1976.