警惕 Jingti Designer Wang Dahao (王大豪) Propaganda Office of the National Security Bureau (国家保密局宣传处) Date early 1980s Publisher Jincheng chubanshe (金城出版社) Size 76x53 cm. Call nr. BG E15/674 Collection Landsberger collection Theme Socialist Spiritual Civilization (1980-2000) Link to IISH catalog https://search.iisg.amsterdam/Record/1222682
