1. The working class must exercise leadership in everything. Title: The working class must exercise leadership in everything. Date: 1968. Author: Yao, Wenyuan, author. Collecting Area: Political Pamphlets
2. On the counter-revolutionary double-dealer Chou Yang Title: On the counter-revolutionary double-dealer Chou Yang Date: 1967. Author: Yao, Wenyuan, author. Collecting Area: Political Pamphlets