Title: Koryŏ-Chosŏn chŏnʾgi chungin yŏnʾgu
Subjects: Social conditions, Middle class, History, Interviews, College teachers, Politics and government, Civil service, Local government
Places: Korea
Time periods: Yi dynasty, 1392-1910, Koryŏ period, 935-1392, Chosŏn dynasty, 1392-1910