Browning, Reed (1971). "The Duke of Newcastle and the Financing of the Seven Years' War". Journal of Economic History. 31 (2): 109–113. doi:10.1017/S0022050700090914. S2CID154806047.
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Browning, Reed (1971). "The Duke of Newcastle and the Financing of the Seven Years' War". Journal of Economic History. 31 (2): 109–113. doi:10.1017/S0022050700090914. S2CID154806047.