1. Introduction;The Cambridge Handbook of Language Contact;2022-06-30
2. Language Contact in Population Structure;The Cambridge Handbook of Language Contact;2022-06-30
3. Reflecting on the commentaries;The Verticalization Model of Language Shift;2022-06-06
4. The verticalization model of language shift from a historical sociolinguistic perspective;The Verticalization Model of Language Shift;2022-06-06
5. The verticalization model of language shift from a population-structure perspective;The Verticalization Model of Language Shift;2022-06-06