Pak, Yông-sôp Kaehwa ki kugô ôhwi charyo chip Chapchi p'yôn 開化期 國語 語彙資料集 雜誌篇 Pak, Yông-sôp - Sôul 1997 도서출판 박이정 1997 - 382 p.; vol. 4 index 53 p. ISBN: 897898201 Subjects--Topical Terms: Language -- General -- Lexicography -- Colonial Period