Columbia subject headings:
Dialectology--Research.
Grammar, Comparative and general--Phonology.
Language and languages--Variation.
Languages in contact--Scotland.
Scotland--Languages.
Sociolinguistics--Scotland.
Harvard subject headings:
Dialectology--Research.
English language--Phonology
English language--Standardization
English language--Variation
Grammar, Comparative and general--Phonology
Language and languages--Variation
Languages in contact--Scotland.
Scotland--Languages.
Sociolinguistics--Scotland.
Princeton subject headings: