CLDF dataset derived from Nagaraja et al.'s "A Lexicostatistical Study of the Khasian Languages" from 2013
Nagaraja KS, Sidwell P & Greenhill SJ. 2013. A Lexicostatistical Study of the Khasian Languages: Khasi, Pnar, Lyngngam, and War. Mon-Khmer Studies Journal, 42, 1-11.