深入开展革命大批判 Shenru kaizhan geming da pipan Designer Beijing Normal College Revolutionary Literature and Art Department (北京师范学院革命文艺系) Date 1971, September Publisher Renmin chubanshe (人民出版社), Beijing Size 77x100 cm. Call nr. BG E15/626 Collection Landsberger collection Notes The text on the blackboard is a criticism of productivity theory, 唯生产力论. Theme Cultural Revolution Campaigns (1966-1976)
