Bell, Peter (October 2002), "The Foreign Office and the 1939 Royal Visit to America: Courting the USA in an Era of Isolationism", Journal of Contemporary History, 37 (4): 599–616, doi:10.1177/00220094020370040601, JSTOR3180762, S2CID159572988
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Bell, Peter (October 2002), "The Foreign Office and the 1939 Royal Visit to America: Courting the USA in an Era of Isolationism", Journal of Contemporary History, 37 (4): 599–616, doi:10.1177/00220094020370040601, JSTOR3180762, S2CID159572988
nla.gov.au
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Bell, Peter (October 2002), "The Foreign Office and the 1939 Royal Visit to America: Courting the USA in an Era of Isolationism", Journal of Contemporary History, 37 (4): 599–616, doi:10.1177/00220094020370040601, JSTOR3180762, S2CID159572988