Omurahan Kokirishitan Kenkyu Shiryo (Quellen zum Studium über die alten Christen aus der Herrschaft Omura) by R. P. Takusuke YamaguchiGustav VossMN 1:2 (1938) pp. 614–615 → jstor.org/stable/2382689ShareHistory of Japanese Education and Present Educational System by Hugh L. Keenleyside, A. F. ThomasLe Père Matthieu Ricci et la Société Chinoise de Son Temps (1552–1610) by Henri Bernard