Korean Mission to the Conference on the Limitation of Armament, Washington, D.C., 1921–1922. (1922). Korea's Appeal, p. 33., p. 33, at Google Books; excerpt, "Treaty between Japan and Korea, dated February 26, 1876."
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Key-Hiuk., Kim (1980). The last phase of the East Asian world order : Korea, Japan, and the Chinese Empire, 1860–1882. Berkeley: University of California Press. pp. 205–209, 228, 231. ISBN0520035569. OCLC6114963.