猪是农家宝 肥是田中金 - 养猪能機肥 利国又利民 Zhu shi nongjia bao fei shi tianzhong jin - Yang zhu neng ji fei li guo you li min Designer Yan Wenzheng (晏文正) Date 1960, April Publisher Hebei renmin meishu chubanshe (河北入民美术出版社) Size 77x53 cm. Call nr. BG E16/208 Collection IISH collection Link to IISH catalog https://search.iisg.amsterdam/Record/1073970
