Columbia subject headings:
Dialectology.
Grammar, Comparative and general--Phonology.
Interference (Linguistics)
Language and languages--Study and teaching.
Language transfer (Language learning)
Harvard subject headings:
Dialectology.
Grammar, Comparative and general--Phonology
Interference (Linguistics)
Language and languages--Study and teaching
Language transfer (Language learning)
Princeton subject headings:
German language--Dialects.
Language and languages--Study and teaching.