Columbia subject headings:
English language--Phonology.
English language--Social aspects.
English language--Spoken English.
English language--Variation.
Harvard subject headings:
English language--Phonology
English language--Social aspects
English language--Spoken English
English language--Variation
Princeton subject headings:
English language--Conversation and phrase books.
English language--Slang.
English language--Spoken English--Phonology.