Citation

Japan Rikugun Sanbō Honbu. Japan 陸軍 參謀本部. (Shōwa 19 [1944]). Gomanbun no ichi Chishima rettō rikukai hengōzu. [JPEG 2000]. Sanbō Honbu. Retrieved from https://earthworks.stanford.edu/catalog/stanford-ys529mm5455