Imperial Japan’s Higher Civil Service Examinations by Robert M. Spaulding, Jr.Ori KanMN 23:3/4 (1968) pp. 529–532 → jstor.org/stable/2383525SharePolitical Thought in Early Meiji Japan, 1868–1889 by Joseph PittauAhen sensō zen Chū-Ei kōshō bunsho (The Anglo-Chinese Negotiation Documents Before the Opium War) by Sasaki Masaya; Ahen sensō no kenkyū (A Study of the Opium War-Official Documents) by Sasaki Masaya; Ahen sensō go no Chū-Ei kōsō (The Anglo-Chinese Disputes After the Opium War-Official Documents) by Sasaki Masaya