Jin dai Zhongguo cheng shi xia ceng she hui qun ti yan jiu : yi ku li gong ren wei zhong xin de kao cha = Jindai Zhongguo chengshi xiacengshehui qunti yanjiu
Jin ding : dai ni zou jin Meiguo Hua ren 150 nian shi guang sui dao, xun zhao Zhongguo ren de Meiguo ji yi = Golden spike : travelling through the time tunnel of 150 years and seeking memories of the Chinese Americans