知识为我添双翼 Zhishi wei wo tian shuang yi Designer Tong Zhaohui (童兆惠) Date 1980, January Publisher Shanghai jiaoyu chubanshe (上海教育出版社) Size 77x53 cm. Call nr. BG E18/55 Collection Landsberger collection Theme Socialist Spiritual Civilization (1980-2000)
