Documents on Japanese foreign policy. Showa era. Series III. Volume 1, 2 and 3 = Nihon gaiko bunsho. Showaki III = 日本外交文書. 昭和期 III
Gaimusho, 2014-
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Nihon gaiko bunsho. Showaki. III. Kankei choshoshu = 日本外交文書. 昭和期. III, 関係調書集 = Documents on Japanese foreign policy. Showa era. Series III. Special studies : gaikoshiryo
Gaimushō, Heisei , 2015
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Hellmann, Donald C.
Japanese foreign policy and domestics politics
University of California Press, 1969
 Buku Teks SO
Emmerson, John K.
Arms, Yen and power: the Japanese dilemma
Charles E. Tuttle Company, 1976
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Japan's foreign policy 1868-1941 a research guide
edited by James William Morley
Columbia U.P. , 1974
 Buku Teks SO