Columbia subject headings:
Korean language--Dialects--Korea (South)--Seoul.
Korean language--Phonology.
Language surveys--Korea (South)--Seoul.
Sociolinguistics--Korea (South)--Seoul.
Harvard subject headings:
Korean language--Dialects--Korea (South)--Seoul.
Korean language--Phonology.
Language surveys--Korea (South)--Seoul.
Sociolinguistics--Korea (South)--Seoul.
Princeton subject headings:
Korean language--Social aspects--Korea--Seoul.
Korean language--Spoken Korean--Korea--Seoul.