Columbia subject headings:
Harvard subject headings:
Ch'ungch'ŏng-do (Korea)--Gazetteers.
Ch'ungch'ŏng-do (Korea)--Maps--History.
Names, Geographical--Korea (South)--Ch'ungch'ŏng-do.
Princeton subject headings:
Ch'ungch'ŏng-do (Korea)--Gazetteers.
Ch'ungch'ŏng-do (Korea)--Maps--History.
Gazetteers.
Maps.
Names, Geographical--Korea (South)--Ch'ungch'ŏng-do.