著名美籍华人学者周策纵教授是国际学术界公认的“五四”运动史研究权威。他以个人在密西根大学博士论文扩写的55万字英文专著《五四运动史》，1960年由哈佛大学出版社出版后，连续再版七次，居该社出版之冠。美国一些大、中学校节选此书为学生读物，意大利也出版了译本。西洋 Professor Zhou Cezong, a famous Chinese American scholar, is recognized as an authority in the history of the May 4th Movement in international academic circles. He published a personal translation of his 55,000-character English-language monograph on the doctoral thesis at the University of Michigan in the history of the May Fourth Movement. After being published by Harvard University Press in 1960, he published a series of seven consecutive replies, ranking the highest in the society. Some large and middle schools in the United States have chosen this book as a student book, and Italy has also published translations. Western