1
2
Published: Welwyn Garden City : International Youth Hostel Federation, 1984
Book
3
Published: Düsseldorf : Bertelsmann Univ.-Verl, 1973
Book
4
Book
5
Published: New York : East Asian Institute, Columbia University, New York, 1967
Book
6
Published: [Tokyo] : Heiwa Bunka, 1998
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7
8
9
10
11
12
Published: Tōkyō : Shakaihyōronsha, 2009.
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13
Book
14
15
Book
16
Book
17
Published: Tōkyō : Seikatsusha, 1956
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18
Published: Tōkyō : Hakusuisha, 2008
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19
Published: Tokyo : Tôkyô Daigaku Shuppankai, 1984.
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20