DJVU PDF Patent, J.D. 1998, "A willy-nilly look at Lai ideophones", in Linguistics of the Tibeto-Burman Area, vol. 21, no. 1, pp. 155-200. cite.

DJVU PDF Patent, J.D. 1997, "Lai verb lists", in Linguistics of the Tibeto-Burman Area, vol. 20, no. 2, pp. 57-162. cite.