“五。七”路上炼红心焕发精神干革命 Wu.qi lushang lian hongxin huanfa jingshen gan geming Designer Shang Xuanbin (尚宣斌) Date 1973, May Publisher Shanghai renmin chubanshe (上海人民出版社) Size 106x77 cm. Call nr. BG E15/567 Collection Landsberger collection Theme May Seven Cadre Schools (1968)