Columbia subject headings:
Tai languages--Glossaries, vocabularies, etc.
Tai languages--Readers.
Harvard subject headings:
Bouyei language--Etymology--Dictionaries.
Bouyei language--Suffixes and prefixes.
Bouyei language--Word formation.
Tai languages--Variation.
Princeton subject headings:
Tai languages--Glossaries, vocabularies, etc.
Tai languages--Readers.