1920年5月1日出版的《新青年》第7卷第6号发表了署名“T.C.I.”的《一九一九巴黎的“五一”运动》(以下简称“巴黎五一”)一文。对T.C.I.是谁的笔名,笔者未见有文著论述。笔者认为,T.C.I.是李大钊的笔名,换言之,“巴黎五一”就是李大钊所作,考证如下:一、“T.C.I.”当是“T.C.L.”(即李大钊笔名)的误排笔者在阅读1920年10月所作《中国共产党宣 “New Youth”, Volume 7, Number 6, published on May 1, 1920, published the 51 May Movement “Paris 1951” entitled “TCI” (hereinafter referred to as the “ ”) A text. T.C.I. who is the pen name, the author did not see a written discussion. In my opinion, TCI is the pen name of Li Dazhao, in other words, “Paris 51” is made by Li Dazhao, textual research is as follows: First, the “TCI” when it is “TCL” (ie Li Dazhao pen name) Made in October 1920 "Chinese Communist Party declared