Khilnani, British Power in the Punjab (1972), pp. 23–24: "The Governor-General immediately fixed all the territory between the river Beas and Indus including the provinces of Kashmir and Hazara as equivalent for one crore of rupees.". Khilnani, N. M. (1972), British Power in the Punjab, 1839–1858, London: Asia Publishing House – via archive.org
Panikkar, Gulab Singh (1930), pp. 98–99: "Gulab Singh agreed to pay the money, and the Governor-General on his side agreed to recognise him as an independent Sovereign.". Panikkar, K. M. (1930), Gulab Singh, London: Martin Hopkinson Ltd – via archive.org