Columbia subject headings:
English language--Sri Lanka.
English language--Variation--Sri Lanka.
Lexicology.
Sri Lanka--Languages.
Harvard subject headings:
English language--Sri Lanka.
English language--Variation--Sri Lanka.
Lexicology.
Sri Lanka--Languages.
Princeton subject headings:
English language--Sri Lanka.
English language--Variation--Sri Lanka.
Lexicology.
Sri Lanka--Languages.