Title: Chosŏn sidae inmulsa yŏn'gu
Subjects: Biography, History, Genealogy
Places: Korea
People: Tŏk-hyŏng Yi (1561-1613), An-yŏl Pyŏn (-1390), Wŏn-ik Yi (1547-1634), Yang-wŏn Yi (1526-1592), Man Chang (1566-1629), Kwan-jing Yi (1618-1695), Chʻŏk-ki Yu (1691-1767), Chŏng family
Time periods: Chosŏn dynasty, 1392-1910