Interesting 1976 map of English dialects in Texas, demonstrating the divide between the more Deep Southern accent of East Texas (drawl) vs. the more Appalachian accent of North and West Texas (twang)

Why Northerners Think All Southerners Have One Accent - Atlas Obscura

How to tell apart the different Southern accents - Quora

List of dialects of English - Wikipedia

What accents are derided the most for supposedly making people sound less than intelligent? In my own observations, the Southern & middle - American accents make people deduct 20 to 30 IQ

Interesting 1976 map of English dialects in Texas, demonstrating the divide between the more Deep Southern accent of East Texas (drawl) vs. the more Appalachian accent of North and West Texas (twang)

A Typical Map from the Structural Atlas of English Dialects

JOYFUL REFLECTIONS: Appalachian Dialect--Part II

Dialect Map United States : r/MapPorn

Do modern Texans have southern accents? - Quora

What are different dialects like in the U.S.? - Quora