为实现毛主席"农业学大寨"的伟大号召而奋斗! Wei shixian Mao zhuxi "nongye xue Dazhai" de weida haozhao er fendou! Designer Literacy Office of the Political Work Group of the Revolutionary Committee of Shanxi Province (山西省革命委员会政工组文教办公室) Date Early 1970s Publisher Shanxi renmin chubanshe (山西人民出版社) Size 53.5x76.5 cm. Call nr. BG E15/493 Collection Landsberger collection Theme Study Dazhai