Bance, Peter, The Duleep Singhs: The Photograph Album of Queen Victoria's Maharajah (Stroud: Sutton, 2004)
Bance, Peter, Sovereign, Squire and Rebel: Maharajah Duleep Singh and the Heirs of a Lost Kingdom (London: Coronet House, 2009)
Singh, Ganda, Correspondence of Maharajah Duleep Singh (Patiala: Punjabi University, 1977)
Visram, Rozina, Asians in Britain: 400 Years of History (London: Pluto, 2002)