DJVU PDF Watson, R. 1969, "Pacoh names", in The Mon-Khmer Studies Journal, vol. 3, pp. 77-89. cite.
DJVU PDF Watson, R. 1969, "A note on Ta-oi, Nge’, and Nyaheun", in The Mon-Khmer Studies Journal, vol. 3, pp. 130-130. cite.