[7.] Gilbert, loc. cit., 1928, pp. 1283-1285.
[8.] Ibid., 1931, pp. 251 ff.
[9.] Source confidential.
[10.] John H. Jouett, "War Planes over China," Asia, vol. 37, pp. 827-830, 1937.
[11.] See below, pp. [167 ff.]
[12.] The China Year Book, 1936, p. 427.
[13.] Japanese Chamber of Commerce of New York, The Sino-Japanese Crisis, 1937, p. 18, New York, 1937.
[14.] Walter H. Mallory, "Japan Attacks, China Resists," Foreign Affairs, vol. 16, pp. 135-136, 1937.