Jaspers, Karl
Routledge & Kegan Paul LTD., 1949
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Jaspers, Karl,
Routledge and Kegan Paul, 1953
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Yoo, Yang-seok, author
Myung Won Culture, 2007
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Phillips, Christopher, author
Mineumsa, 2007
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Kim, Yung-gyo, author
Gimmyoungsa, 2006
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