| Sun Deqian was a well-known bibliographer in the Republic of China.The comprehensive study of Sun Deqian’s bibliography is mainly based on his bibliographic related works as clues,and is carried out from three aspects:bibliographic theory and method,historical bibliography examination and supplement,bibliography compilation and practice.Researching the life and writings of Sun Deqian.Looking at the background of Sun’s family,it is not a scholarly family,there is no family learning to pass on,and there is no famous teacher to guide him in his studies.Sun’s writings are equal,and his bibliography can be found in Sun Aikan Nianpu Chugao written by Wu Piji and Sun Deqian Zhuzuo Mulu compiled by Zhang Yanrui.Studying the theory and method of Sun Deqian’s bibliography.The 46 examples cited in Hanshu Yiwenzhi Juli are extremely detailed,but there are also problems such as redundant examples and unclear standards for"examples".We combined the 46 articles cited by Sun into six examples,namely,description example,preface example,classification example,ordering example,annotation examlple,addition and deletion example,and added basis example,for a total of seven cases.LiuXiang Jiaochouxue Zuanwei researchs Liu Xiang’s book proofreading activities from a methodological point of view,and summarizes the steps of Liu Xiang’s proofreading of books into 23 articles,and the regulations cited by Sun can be further summarized and classified.Chinese Sibushu Chanyuan mainly traces the origins of the four books,the jing,the shi,the zi,the ji,and corrects the names of the Sibu.Sun thinks that"Jing" is an ancient historical book deleted by Confucius,"Zi" and "Shi" are both derived from "Jing",the name of the poetry collection,Sun thinks that it originated from Cao Wei dynasty,and the text of the collection originated from Zhuzi.Sun’s discussion is from the "Liu Jing Jie Shi Shuo".Sun Deqian is also a master of the history catalogue examination.Influenced by textual research,in the Qing Dynasty,the trend of examination and supplementation of Yiwenzhi or Jingjizhi arose.The written by Sun is a supplement to the Hanshu Yiwenzhi.It imitates the division of LiuLue in Hanzhi and divides the content into Biechenglue and Biecailue,Weizaolue,Cunyilue,Gaiwenlue,Shiyilue.The style of his writings is also similar to that of Hanzhi.The JinShi Yiwenlue written by Sun’s existing two manuscripts GuoTu and ShangTu.A detailed comparison of the two manuscripts shows that the GuoTu manuscript is the first draft of the another manuscript.The Hanzhi Yiwenlue adopts a four-part classification method,and each book has an abstract,rich in content and perfect style.A comparative study on others’ Buzhi shows its inheritance.Sun Deqian has rich bibliographic practice activities.Most of Sun’s Gushulu Jicun have been lost,and only part of the content and Bielu are preserved today.Sun Deqian’s Qinji Tujijao mainly examines the relevant information of books in the Qin Dynasty.It includes forty-one books of the Qin Dynasty.Sikutiyao Jiaoding mainly corrects the inappropriate parts of the Sikutiyao.Sun’s Zhejiang Tongzhi Bubian Jingjizhi is a banknote of Wuxing Liu’s Jiayetang.The classification is clear and the collection is rich,which shows Sun’s compiling thought and practice of local chronicles.On the basis of the previous discussion,this paper summarizes Sun Deqian’s bibliographical achievements and influences.Sun Deqian is one of the representatives of the bibliography of the Yili.His bibliography pays attention to the induction and summarization of Yili,respects historical records,and pays attention to "BianZhangXueShu KaoJingYuanLiu".Sun has many original ideas in bibliography theory and practice,which are not only influenced by traditional bibliography,but also have new breakthroughs and developments.Sun Deqian’s bibliographic research has far-reaching influence. |