Columbia subject headings:
Harvard subject headings:
Ch'ŏngsong-si (Korea)--Languages.
Ch'ŏngsong-si (Korea)--Social life and customs.
Korean language--Dialects--Korea (South)--Ch'ŏngsong-si--Texts.
Princeton subject headings:
Ch'ŏngsong-gun (Korea)--Social life and customs.
Korean language--Dialects--Korea (South)--Ch'ŏngsong-gun--Texts.