This book discusses words used in the Southeast and how they have changed
during the 20th century. It also describes how the lexicon varies according
to the speaker's age, race, education, sex, and place of residence
(urban versus rural; coastal versus piedmont versus mountain). Data collected
in the 1930s as part of the Linguistic Atlas of the Middle and South Atlantic
States project were compared with data collected in 1990 from similar speakers
in the same communities.

The results show that region was the most important
factor in differentiating...