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Published: Köln : Rom e.V, 1993
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3
Published: Osaka : Yubunsha, 2006
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4
Published: Welwyn Garden City : International Youth Hostel Federation, 1984
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5
Published: Düsseldorf : Bertelsmann Univ.-Verl, 1973
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7
Published: New York : East Asian Institute, Columbia University, New York, 1967
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8
Published: [Tokyo] : Heiwa Bunka, 1998
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11
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13
Published: Tokyo : Kaihō Shuppansha, 2003
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19
Published: Tōkyō : Shakaihyōronsha, 2009.
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