A critique of the separation base method for genealogical subgrouping, with data from mixe-zoquean. - Michael Cysouw; Søren Wichmann; David Kamholz (J. Quant. Linguistics, 2006)

PanLex: Building a Resource for Panlingual Lexical Translation. - David Kamholz; Jonathan Pool; Susan M. Colowick (LREC, 2014)