Ferrell, Robert H. (martie 1955). „The Mukden Incident: September 18–19, 1931”. Journal of Modern History. University of Chicago Press. 27 (1): 66–72. doi:10.1086/237763. JSTOR1877701.
ibiblio.org
CHRONOLOGY OF MAJOR INTERNATIONAL EVENTS FROM 1931 THROUGH 1943, WITH OSTENSIBLE REASONS ADVANCED FOR THE OCCURRENCE THEREOF 78th Congress, 2d Session. "An explosion undoubtedly occurred on or near the railroad between 10 and 10:30 p.m. on September 18th, but the damage, if any, to the railroad did not in fact prevent the punctual arrival of the south-bound train from Changchun, and was not in itself sufficient to justify military action. The military operations of the Japanese troops during this night, ... cannot be regarded as measures of legitimate self-defence..." [Opinion of Commission of Enquiry], ibid., p. 71
jstor.org
Ferrell, Robert H. (martie 1955). „The Mukden Incident: September 18–19, 1931”. Journal of Modern History. University of Chicago Press. 27 (1): 66–72. doi:10.1086/237763. JSTOR1877701.
