Ainslie Embree, ed., Sources of Indian Tradition, Volume One, 2nd edition, 1988, pp. 203-378.
Susan L. Huntington with John C. Huntington, The Art of Ancient India, pp. 125-238, and for later schools, north and south, see pp. 353-503 and 509-615.
Gerald J. Larson, India's Agony Over Religion, pp. 75-101.
Burton Stein, A History of India, pp. 79-110.
Stanley Wolpert, A New History of India, pp. 55-103.
Romila Thapar, A History of India, Volume One, pp. 109-220.