"For linguists working on Sinitic languages, the ECLL will be a useful supplement to the Routledge Encyclopedia of the Chinese Language (Chan 2016), though they no doubt cover some of the same ground. While that work focused on Sinitic, the scope of the ECLL is broader, covering the larger language ecology of China (broadly defined within the ECLL to include Taiwan, Hong Kong, and Tibet). This means that the ECLL is also extremely useful to Southeast Asian linguists and goes a long way toward bridging the gap that often exists between linguistic research in the geographic regions of Southeast Asia and China." - Rikker Dockum, Yale University, in: Journal of the Southeast Asian Linguistics Society (2018) [See the full review here.