1. Ang, Uijin 洪惟仁. 1985. A study on Taiwan Holo tone 臺灣河佬話聲調研究. Taipei: Zili Wanbao.
2. Ang, Uijin 洪惟仁. 1997. Southern Min dialects in Kaohsiung county 高雄縣閩南語方言. Kaohsiung: Kaohsiung County Government.
3. Ang, Uijin 洪惟仁. 2003. The motivation and direction of sound change: On the competition of Minnan dialects Chang-chou and Chuan-chou and the emergence of general Taiwanese 音變的動機與方向:漳泉競爭與台灣普通腔的形成. Ph.D. dissertation. Hsinchu, Taiwan: National Tsing Hua University.
4. Ang, Uijin 洪惟仁. 2005. Looking at the changes of Taiwan Southern Min from dialect maps graphed in two different eras 從兩個時期製作的方言地圖看台灣閩南語的變化. Fuzhou, China: Paper presented at the 9th Min Dialect International Symposium 第九屆閩方言國際學術研討會.
5. Ang, Uijin 洪惟仁. 2012. The drift of change of the initial /j-/ of Southern Min 閩南語入字頭(日母)的音變潮流. Journal of Taiwanese Languages and Literature 臺灣語文研究 7:1–32. Available at http://www.uijin.idv.tw/tlls/jtll/abstract/7.2-1.pdf . Accessed 4 June 2015.