Bruce, Anthony P. C.: The Purchase System in the British Army, 1660–1871. Royal Historical Society, London 1980
Sweetman, John (2004), "James Thomas Brudenell", (online ed.), Oxford University Press, doi:10.1093/ref:odnb/3765 (Subscription or UK public library membership required.)
Oxford Dictionary of National Biography
The Reason Why: The Story of the Fatal Charge of the Light Brigade. Penguin, 1953; Reprint edition 1991. ISBN 0-14-001278-8