Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

The World Atlas of Language Structures . (2005) · edited by Bernard Comrie and David Gil and Martin Haspelmath and Matthew S. Dryer · Oxford University Press

"Doctoral Dissertation Research: A Reference Grammar of Kove" NSF DEL Abstract . Robert Blust (2011) · http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1053199&WT.z_pims_id=12816

A Grammar of Kaliai-Kove . Counts, David R. (1968) ·