Columbia subject headings:
Harvard subject headings:
English language--Dialects--Research
English language--English-speaking countries.
English language--Listening comprehension--Research.
English language--Phonology--Research.
English language--Spoken English--Research.
English language--Variation--Research.
Sound recordings--Research.
Princeton subject headings:
English language--Dialects--Research.
English language--English-speaking countries.
English language--Listening comprehension--Research.
English language--Phonology--Research.
English language--Spoken English--Research.
English language--Variation--Research.
Sound recordings--Research.