Title: Nogŏltae ŭi ŏnhae e taehan pigyo yŏnʾgu
First published: 1976
Subjects: Korean language, Nogŏltae ŏnhae, Pak tʻongsa ŏnhae
Time periods: Middle Korean, 935-1500
LC classification: PL909.3 K56, PL909.3 K56