DJVU PDF Hayes, L.V.H. 1999, "On the track of Austric part III. basic vocabulary comparison", in The Mon-Khmer Studies Journal, vol. 29, pp. 1-34. cite.

DJVU PDF Hayes, L.V.H. 1997, "On the track of Austric part II. Consonant mutation in early Austroasiatic", in The Mon-Khmer Studies Journal, vol. 27, pp. 13-41. cite.

DJVU PDF Hayes, L.V.H. 1992, "On the track of Austric: part I", in The Mon-Khmer Studies Journal, vol. 21, pp. 143-177. cite.

DJVU PDF Hayes, L.V.H. 1992, "Vietic and Viet-Muong: a new subgrouping in Mon-Khmer", in The Mon-Khmer Studies Journal, vol. 21, pp. 211-228. cite.

DJVU PDF Hayes, L.V.H. 1983, "The register systems of Thavung", in The Mon-Khmer Studies Journal, vol. 12, pp. 91-122. cite.

DJVU PDF Hayes, L.V.H. 1982, "The mutation of *R in Pre-Thavung", in The Mon-Khmer Studies Journal, vol. 11, pp. 83-100. cite.

DJVU PDF Hayes, L.V.H. 1982, "On Daic loans and initial mutations in Thavung", in The Mon-Khmer Studies Journal, vol. 11, pp. 101-114. cite.