an investigation and research on the culture of papercutting of ethnic minorities in China 村寨里的纸文明：中国少数民族剪纸艺术传统调查与研究：an investigation and research on the culture of papercutting of ethnic minorities in China．第一卷 Arrangement and research on ancient documents of the ethnic minorities in China Investigation and research on the aspect of Chinese dialects in Guangxi Investigation and research on the new period agricultural insurance Annual report on development of ethnic minorities in China 并列题名：Investigation and research on the aspect of Chinese dialects in Guangxi Report on the development of ethnic minorities in China 并列题名：Report on the development of ethnic minorities in China Reflection on and construction of the study of epics of ethnic minority groups in China