- - 1977 Sophia University Graduate School of Humanities
- - 1977 Sophia University Graduate School, Division of Letters
- - 1976 Brown University Depertment of English American Literature (Poetry)
- - 1976 Brown University Depertment of English American Literature (Poetry)
- - 1973 Aoyama Gakuin University
- - 1973 Aoyama Gakuin University Graduate School, Division of Letters
- - 1969 Aoyama Gakuin University College of Literature Department of English
- - 1969 Aoyama Gakuin University Faculty of Literature
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