Title: 王洪文、张春桥、江青、姚文元反党集团罪证(材料之三
Subjects: History, Sources, Politics and government, Zhongguo gong chan dang
Places: China
People: Qing Jiang (1914-1991), Chunqiao Zhang, Hongwen Wang, Wenyuan Yao
Time periods: Cultural Revolution, 1966-1976, 20th century