National Institute of Informatics - Digital Silk Road Project
Digital Archive of Toyo Bunko Rare Books

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Copyright (C) 2003 National Institute of Informatics(国立情報学研究所) and The Toyo Bunko(東洋文庫). All Rights Reserved.

The copyright of materials available on this site has already expired in Japan. That is, the authors of materials died more than 50 years ago (currently 70 years ago). The period is longer if the special additional period for World War II should be considered. This does not mean, however, that the copyright of materials has already expired in *all* countries in the world. So we would like to ask users to be careful for using materials on this site.

The materials provided on this website cannot be used beyond personal use defined by copyright law. If you are thinking about such usage, please contact Toyo Bunko to get permission for copying. Contact point: fukusha at