一定要根治海河 Yiding yao genzhi Haihe Designer Designer unknown (未知) Date 1971, July Publisher Hebei renmin chubanshe (河北人民出版社) Size 53x77 cm. Call nr. BG E37/185 Collection Landsberger collection Link to IISH catalog https://search.iisg.amsterdam/Record/1453986 38.95, 117.716667
