http://db.history.go.kr/item/level.do?levelId=npda_1936_07_21_w0002_0320
http://db.history.go.kr/item/level.do?levelId=npda_1931_11_20_v0003_0350
http://db.history.go.kr/item/level.do?levelId=npda_1935_03_15_x005F0950
http://db.history.go.kr/item/level.do?levelId=npda_1932_05_05_v0004_0880