Switch reference is a grammatical process that marks a referential relationship between arguments of two (or more) verbs arguments. Typically it has been characterized as an inflection pattern on the verb itself, encoding identity or non-identity between subject arguments separately from traditional person or number marking. In the 50 years since William Jacobsen s coinage of the term, switch reference has evolved from an exotic phenomenon found in a handful of lesser-known languages to a widespread feature found in geographically and linguistically unconnected parts of the world. The growing...