Stein, Burton (2010), A History of India, John Wiley & Sons, p. 107, ISBN978-1-4443-2351-1 Quote: "When the formal rule of the Company was replaced by the direct rule of the British Crown in 1858, […]"
Lowe, Lisa (2015), The Intimacies of Four Continents, Duke University Press, p. 71, ISBN978-0-8223-7564-7 Quote: "Company rule in India lasted effectively from the Battle of Plassey in 1757 until 1858, when following the 1857 Indian Rebellion, the British Crown assumed direct colonial rule of India in the new British Raj."
Wright, Edmund (2015), A Dictionary of World History, Oxford University Press, p. 537, ISBN978-0-19-968569-1 Quote: "More than 500 Indian kingdoms and principalities […] existed during the 'British Raj' period (1858–1947)".