保卫社会主义 Baowei shehui zhuyi Designer Sun Wenchao (孙文超) Date 1958, June Publisher Liaoning huabaoshe (辽宁画报社) Size 77x54 cm. Call nr. BG E37/298 Collection Landsberger collection Theme Great Leap Forward (1958-1961) Link to IISH catalog https://search.iisg.amsterdam/Record/1456906
