https://theoriesofanything.com/research/dialectology-regional-variation-dialect-continua-and-isoglosses
Dialectology: Regional Variation, Dialect Continua, and Isoglosses | Theories of Anything
Dialectology — the systematic study of regional linguistic variation — investigates how languages differ from place to place, mapping the geographical distribut
regional variationdialect continuadialectologyisoglossestheories