The workers are studying a brochure On The Ten Major Relationships (论十大关系), a text by Mao on the construction of socialism in China different from the Soviet model. The books bottom left are Selected Works of Mao Zedong (毛泽东选集), Marx and Engels Collected Works (马克思恩格斯全集 ) and Lenin Collected Works (列宁全集). In the background a group of workers meeting under an anti-Gang of Four banner.