Columbia subject headings:
Aristocracy (Social class)--Korea (South)
Korea (South)--Genealogy.
Song family.
Sŏng, I-sŏng, 1595-1664--Family.
Harvard subject headings:
Aristocracy (Social class)--Korea (South)
Korea (South)--Genealogy.
Song family.
Princeton subject headings:
Clans--Korea--Biography.
Korea (South)--Description and travel.
Korea--Biography.
Korea--Social life and customs--Sources.
Ponghwa-gun (Korea)--History--Sources.
Song family--History.
Sŏng, I-sŏng, 1595-1664--Genealogy.