举旗抓纲又一仗 Ju qi zhua gang you yizhang Designer Shanghai Wharves "Chuan he battle song" Creative Group (上海船厂《船合战歌》创作组) Date 1976, August Publisher Shanghai renmin meishu chubanshe (上海人民美术出版社) Size 53x76 cm. Call nr. BG E37/903 Collection Landsberger collection