Keywords: Kouga gengo.jpg a Japanese man 甲 源吾 Koga Gengo(1839-1869) The Japanese book 回天艦長 甲 源吾傳 (The biography of Tye Captein Koga Gengo) 1933 3 10 published by 甲 源吾傳刊行 The contributor has this source PD-Japan-oldphoto 1839 births 1869 deaths People of the Republic of Ezo |