Collection 1 (1) Memoirs of people involved: “The truth about Taiwan’s February 28th Incident” Ke Yuanfen, “Taiwan Province’s February 28th Incident” by Peng Mengqi and “Suppression of the February 28th Incident,” no author stated; (2) Official archives: “The case of the killing of magistrate Wu Hongqi after the February 28th Incident” provided by the National Police Administration, “The cause of the incident and early stage situation” and “The government’s approach to dealing with the incident” provided by the Taiwan Garrison Command； (3) Historical materials collected from the public: “A record of the ‘3,4 incident’ in Pingdong City,” Chen Kunlun and Chen Shuigui’s judgment,” Ministry of National Defense Bulletin,” “Shen Qiongnan and Liu Xinzhi’s judgment,” “Wang Qingzuo and Jiang Hao‘s judgment” and “Documents relating to Wang Zhenhua. “