DJVU PDF GREGERSON, Kenneth J. and Kenneth D. Smith. 1973. The development of Tơdrah register. MKS 4:143-184.
DJVU PDF GREGERSON, Kenneth J. and David Thomas. 1976. Vietnamese Hởi and Ngã tones and Mon-Khmer -h finals. MKS 5:76-83.
DJVU PDF PHU Van Han, Jerold EDMONDSON, Kenneth GREGERSON. 1992. Eastern Cham as a tone language. MKS 20:31-44.
DJVU PDF EDMONDSON, Jerold A. and Kenneth GREGERSON. 1996. Bolyu tone in Vietic perspective. MKS 26:117-133.
DJVU PDF GREGERSON, Kenneth and Jerold A. EDMONDSON. 1997. Outlying Kam-Tai: notes on Ta Mit Laha. MKS 27:257-269.