The Northeastern Luzon languages is a primary subgroup of the Northern Luzon languages, proposed by Robinson & Lobel (2013) based on historical phonology, functors, and lexicon.
Classification
Robinson & Lobel (2013:148) propose the following internal subgrouping for the Northeastern Luzon languages.[1]
^Robinson, Laura C. and Jason William Lobel (2013). "The Northeastern Luzon Subgroup of Philippine Languages." Oceanic Linguistics 52.1 (2013): 125-168. JSTOR 43286764.
