* <cite id=refOSullivan07>Christopher D. O'Sullivan, "[http://www.gutenberg-e.org/osc01/frames/fosc08.html 8. Resignation]," ''Sumner Welles, Postwar Planning, and the Quest for a New World Order, 1937-1943'' (Columbia University Press, 2007) ISBN 0231142587</cite> | * <cite id=refOSullivan07>Christopher D. O'Sullivan, "[http://www.gutenberg-e.org/osc01/frames/fosc08.html 8. Resignation]," ''Sumner Welles, Postwar Planning, and the Quest for a New World Order, 1937-1943'' (Columbia University Press, 2007) ISBN 0231142587</cite> |