DJVU PDF Shorto, H.L. 1976, "The Vocalism of Proto-Mon-Khmer", in Austroasiatic Studies, ed. P.N. Jenner et al., Honolulu, pp. 1041-1068. The University Press of Hawaii. cite.

DJVU PDF Shorto, H.L. 1976, "Gayo Consonant Correspondences", in South-east Asian Linguistic Studies Vol. 2, ed. N.D. Liem, vol. 2, pp. 187-198. Pacific Linguistics, the Australian National University. cite.

DJVU PDF Shorto, H.L. 1963, "The Structural Patterns of Northern Mon-Khmer Languages", in Linguistic Comparison in South East Asia and the Pacific, ed. H.L. Shorto, pp. 45-61. School of Oriental and African Studies, University of London. cite.