伟大的教导无穷的力量 Weidade jiaodao, wuqiongde liliang Designer Jiangnan Shipyard Revolutionary Committee Political Propaganda Group (江南造船厂革委会政宣组) Date 1971, September Publisher Shanghai renmin chubanshe (上海人民出版社) Size 77x106 cm. Call nr. BG G2/148 Collection IISH collection Notes Mao visited Jiangnan Shipyard (Shanghai), January 1956, to inspect the building of submarines. Link to IISH catalog https://search.iisg.amsterdam/Record/1044836 31.25093, 121.52342