INTRODUCTION
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the revision, and the loan of whose rare pamphlets and books supplied very valuable material; also to Professor E. Asakawa for suggestions and help in some of the translations, to the Reverend G. G. Warren of Changsha for useful advice in recasting some of the chapters, and to Tso Fu and other members of the faculty of Yale-in-China for help with the Chinese texts.
Changsha, China,
November, 1926.
