DJVU PDF Phillips, R., Phillips, J. and Miller, C. 1976, "The Brũ vowel system: alternate analyses", in The Mon-Khmer Studies Journal, vol. 5, pp. 203-217. cite.
DJVU PDF Phillips, R. 1973, "Vowel distribution in Hrê", in The Mon-Khmer Studies Journal, vol. 4, pp. 63-68. cite.
DJVU PDF Phillips, R. 1973, "Mnong vowel variations with initial stops", in The Mon-Khmer Studies Journal, vol. 4, pp. 119-127. cite.
DJVU PDF Phillips, R. 1973, "A Mnong pedagogical grammar: the verb phrase and constructions with two or more verbs", in The Mon-Khmer Studies Journal, vol. 4, pp. 129-138. cite.