DJVU PDF Gregerson, K. and Edmondson, J.A. 1997, "Outlying Kam-Tai: notes on Ta Mit Laha", in The Mon-Khmer Studies Journal, vol. 27, pp. 257-269. cite.

DJVU PDF Edmondson, J.A and Gregerson, K. 1996, "Bolyu tone in Vietic perspective", in The Mon-Khmer Studies Journal, vol. 26, pp. 117-133. cite.

DJVU PDF Phu Van Han, Edmondson, J.A and Gregerson, K. 1992, "Eastern Cham as a tone language", in The Mon-Khmer Studies Journal, vol. 20, pp. 31-44. cite.

DJVU PDF Gregerson, K. and Thomas, D. 1976, "Vietnamese Hởi and Ngã tones and Mon-Khmer -h finals", in The Mon-Khmer Studies Journal, vol. 5, pp. 76-83. cite.

DJVU PDF Gregerson, K. and Smith, K. 1973, "The development of Tơdrah register", in The Mon-Khmer Studies Journal, vol. 4, pp. 143-184. cite.