Columbia subject headings:
Archives--Korea--History.
Chŏngjo, King of Korea, 1752-1800--Library.
Kyujanggak (Korea)--History.
Research libraries--Korea--History.
Harvard subject headings:
Archives--Korea--History.
Kyujanggak (Korea)--History.
Research libraries--Korea--History.
Princeton subject headings:
Archives--Korea--History.
Chŏngjo, King of Korea, 1752-1800--Library.
Kyujanggak (Korea)--History.
Research libraries--Korea--History.