TTonghaktang yŏnʼguTonghaktang yŏnʼgude Pong-nyong SinMateriasTonghak Incident, 1898ChʻŏndogyoHistoryEdiciones (1)Tonghaktang yŏnʼgu (1977)Tʻamgudang · korMás obras de Pong-nyong SinHHan'guk chŏngch'i sasangsa =Han'guk chŏngch'i sasangsa =HHan'guk pundansa yŏn'gu, 1943-1953Han'guk pundansa yŏn'gu, 1943-1953AAeguk chisa Chʻoe Ik-hwanAeguk chisa Chʻoe Ik-hwan