Qing Ruzhi 卿汝楫 Mei guo qin hua shi 美國侵華史第二卷 Meiguo qinhua shi di er juan Qing Ruzhi 卿汝楫 - 1956 北京 三聯書店 1956 - 630 p. Subjects--Topical Terms: History -- Foreign Relations -- Communist Era