India 2b

University Press, p. 16, IST 978-0-19-882905-8

D'Souza, Tim, 2018, "The Population History of India, from the First Modern People to

the Present Day," Oxford University Press, p. 16, IST 978-0-19-882905-8

Fisher, Michael H., 2018, "An Environmental History of India, from Earliest Times to the

Twenty-First Century," Cambridge University Press, p. 59, IST 978-1-107-11162-2