DJVU PDF Abramson, A.S. 2001, "The stability of distinctive vowel length in Thai", in Essays in Tai Linguistics, ed. M.R. Kalaya Tingsabadh and A.S. Abramson, pp. 13-26. Chulalongkorn University Press. cite.
DJVU PDF Brown, J.M. 1979, "Vowel length in Thai", in Studies in Tai and Mon-Khmer Phonetics and Phonology In Honour of Eugénie J.A. Henderson, ed. T.L. Thongkum et al., pp. 10-25. Chulalongkorn University Press. cite.
DJVU PDF Cooke, J.R. 1989, "Thai nasalised vowels", in Papers in Southeast Asian Linguistics No.12, Thai Sentence Particles and Other Topics, vol. 12, pp. 169-174. Pacific Linguistics, the Australian National University. cite.
DJVU PDF Dawson, W. 1985, "The Tibetan vowel feature "constricted"", in Southeast Asian Linguistic Studies Presented to André-G. Haudricourt, ed. S. Ratanakul et al., pp. 158-177. Institute of Language and Culture for Rural Development, Mahidol University. cite.
DJVU PDF Dempsey, J. 2001, "Remarks on the vowel system of old Burmese", in Linguistics of the Tibeto-Burman Area, vol. 24, no. 2, pp. 205-234. cite.
DJVU PDF Dhananjayananda, P. 1992, "The emergence of length distinction of mid-front vowels /e-ee/ in Thai", in The Third International Symposium on Language and Linguistics, Bangkok, Thailand, pp. 1294-1304. Chulalongkorn University. cite.
DJVU PDF Diller, A. 1985, "Tones and vowels in Southern Thai: a diachronic anomaly", in Southeast Asian Linguistic Studies Presented to André-G. Haudricourt, ed. S. Ratanakul et al., pp. 310-354. Institute of Language and Culture for Rural Development, Mahidol University. cite.
DJVU PDF Gandour, J., Potisuk, S. and Harper, M.P. 1996, "Effects of stress on vowel length in Thai", in The Fourth International Symposium on Language and Linguistics, Thailand, pp. 95-103. Institute of Language and Culture for Rural Development, Mahidol University. cite.
DJVU PDF Henderson, E.J.A. 1975, "Phonetic description and phonological function: some reflections upon back unrounded vowels in Thai, Khmer, and Vietnamese", in Studies in Tai Linguistics in Honor of William J. Gedney, ed. J.G. Harris and J.R. Chamberlain, pp. 259-270. Central Institute of English Language. cite.
DJVU PDF Hong, N.Q. 1992, "Neutral vowels in languages of different types", in The Third International Symposium on Language and Linguistics, Bangkok, Thailand, pp. 94-97. Chulalongkorn University. cite.
DJVU PDF House, D. and Svantesson, J.-O. 1996, "Tonal timing and vowel onset characteristics in Thai", in The Fourth International Symposium on Language and Linguistics, Thailand, pp. 104-113. Institute of Language and Culture for Rural Development, Mahidol University. cite.
DJVU Luce, G.H. undated, "Sino-Tibetan vowel correspondences", in Luce Collection, MS 6574-7, pp. 030. National Library of Australia. cite.
DJVU Luce, G.H. undated, "Riang vowel analysis", in Luce Collection, MS 6574-7, pp. 045-046. National Library of Australia. cite.
DJVU Luce, G.H. undated, "Comparative lexicon by vowels: Vietnamese - Bahnar - Sre - Biat - Stieng - Khmer - Mon - Sakai - Besisi - Semang - Jakun - Malay/Selung/Acehnese/Cham - Nicobarese", in Luce Collection, MS 6574-7, pp. 070a-071b. National Library of Australia. cite.
DJVU Luce, G.H. undated, "Comparative lexicon "Vowel Finals": Vietnamese - Bahnar - Sre - Biat - Stieng - Khmer - Mon - Sakai - Besisi - Semang - Jakun - Malayan - Nicobarese - MnongGar - T'eng - P'uman - Lemet - K'amuk - K'mus - Wa - Palaung - Riang - Khasi - Mundari - Kurku", in Luce Collection, MS 6574-7, pp. 24a-37d. National Library of Australia. cite.
DJVU Luce, G.H. undated, ""K'umi vowels"", in Luce Collection, MS 6574-7, pp. 066b-067b. National Library of Australia. cite.
DJVU Luce, G.H. undated, ""K'umi Finals" vowels exemplified with different finals", in Luce Collection, MS 6574-7, pp. 071a-b. National Library of Australia. cite.
DJVU Luce, G.H. undated, "“Tibetan ~ Burmese” analysis of vowel correspondences", in Luce Collection, MS 6574-7, pp. 078-079. National Library of Australia. cite.
DJVU PDF Martin, M.A. 1979, "Les voyells du cambodgien parle' dans la province de Chau Doc (Sud-Vietnam)", in Studies in Tai and Mon-Khmer Phonetics and Phonology In Honour of Eugénie J.A. Henderson, ed. T.L. Thongkum et al., pp. 131-141. Chulalongkorn University Press. cite.
DJVU PDF Nagano-Madsen, Y. 1996, "Inter-speaker variations in the production and distribution of devoiced vowels in Japanese", in The Fourth International Symposium on Language and Linguistics, Thailand, pp. 164-173. Institute of Language and Culture for Rural Development, Mahidol University. cite.
DJVU PDF Roengpitya, R. 2007, "A new look on diphthongs in Thai", in SEALS XIII Papers from the 13th Annual Meeting of the Southeast Asian Linguistics Society 2003, ed. I. Shoichi et al., Canberra, Australia, pp. 231-237. Pacific Linguistics, Research School of Pacific and Asian Studies, The Australian National University. cite.
DJVU PDF Sittachit, K. 1972, "Observations on Short and Long Vowels in Thai (in Thai)", in A Conference on Tai Phonetics and Phonology, ed. J.G. Harris and R.B. Noss, pp. 28-32. Mahidol University. cite.
DJVU PDF Sprigg, R.K. 1989, "Oral vowels and nasalized vowels in Lepcha (Rong) as the key to a puzzling variation in spelling", in South-east Asian Linguisitics: Essays in Honour of Eugénie J.A. Henderson, ed. J.H.C.S. Davidson, pp. 219-235. School of Oriental and African Studies, University of London. cite.
DJVU PDF Tumtavitikul, A. 1996, "The mid-central vowel
DJVU PDF Zide, N.H. 1966, "Korku low tone and the Proto-Korku-Kherwarian vowel system", in Studies in Comparative Austroasiatic Linguistics, ed. N.H. Zide, pp. 214-1000. Mouton & Co.. cite.