DJVU PDF Kato, A. 1995, "The phonological systems of three Pwo Karen dialects", in Linguistics of the Tibeto-Burman Area, vol. 18, no. 1, pp. 63-103. cite.
DJVU Luce, G.H. undated, "Comparative lexicon: Tibetan - Xongsai - Tedim - Lai - Kanpetlet - Saingbaung - OldBurmese - Maru - PwoKaren - N.Pao - ArchaicChinese", in Luce Collection, MS 6574-7, pp. 039a-044b. National Library of Australia. cite.
DJVU Luce, G.H. undated, "Comparative lexicon: ClassicalTibetan - ArchaicChinese - Haka - Hpun - Kădu - Sak - Lisu - LahuNa - PwoKaren - SgawKaren - Xongsai - Asho", in Luce Collection, MS 6574-7, pp. 070a-072b. National Library of Australia. cite.
DJVU PDF Phillips, A. 1996, "Dialect comparison among the Pwo Karen of Central Thailand", in The Fourth International Symposium on Language and Linguistics, Thailand, pp. 1122-1162. Institute of Language and Culture for Rural Development, Mahidol University. cite.