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[文献書誌] Kumamoto, Hiroshi: "Some Khotanese Letters in Verse" Tokyo University Linguistics Papers. 12. 59-80 (1991)
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[文献書誌] Kumamoto, Hiroshi: "More Khotanese Letters and Verses" Tokyo University Linguistics Papers. 13. (1993)
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[文献書誌] Kumamoto, Hiroshi: "Did Late Khotanese have a three vowel system?" Proceedings of the Second European Conference of Iranian Studies (Istituto Italiano per il Medio ed Estremo Oriente) (論文集).
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[文献書誌] Kumamoto, Hiroshi: "Did Late Khotanese have a three vowel system?" Proceedings of the Second European Conference of Iranian Studies (Istituto Italiano per il Medio ed Estremo Oriente) (論文集). (1993)
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[文献書誌] Kumamoto, Hiroshi: "Buddhism in Khotan" Proceedings of the Hsi-Lai Conference on “Buddhism Across Boundaries" (Provisionary Title) (論文集). (1994)