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 Diffloth, G. 1987-1988, "What happened to Austric?", in The Mon-Khmer Studies Journal, vol. 16-17, pp. 1-9. cite.