中华书局出版我的文集,我自然非常感谢,也自然非常高兴。为了使读者对我读史写史的道路和思路多些了解,我想我在这序言里应该做些说明。一走上学习社会史的路1931年我考入北京大学,选择了史学系;学中国社会史。现在想来这大概受有两方面的影响:一是北伐战争失败后的思潮和反思的影响;二是 Zhonghua Book Company published my collection, I am naturally very grateful, but also naturally very happy. In order to make the reader understand more about the path and thought of reading and writing history, I think I should explain it in this preface. A embarked on the road to learning social history In 1931 I was admitted to Peking University, chose the Department of History; learn Chinese social history. Now want to come here probably affected by two aspects: First, after the failure of the Northern Expedition’s thought and reflection on the impact; second is