Columbia subject headings:
Harvard subject headings:
Korean language--Korea (North)--Glossaries, vocabularies, etc.
Korean language--Korea (North)--Phonology--Dictionaries.
Proverbs, Korean--Korea (North)
Princeton subject headings:
Dictionaries.
Korean language--Korea (North)--Glossaries, vocabularies, etc.
Korean language--Korea (North)--Phonology--Dictionaries.
Proverbs, Korean--Korea (North).