Columbia subject headings:
Harvard subject headings:
Chinese language--Dialects.
Chinese language--Phonology, Comparative--Ryukyu language.
Ryukyuan language--Phonology, Comparative--Chinese language.
Princeton subject headings:
Chinese language--Dialects.
Chinese language--Phonology, Comparative--Ryukyu language.
Ryukyuan language--Phonology, Comparative--Chinese language.