It is certain that his study became the starting point of discussion in regards to taking up "Azuma Kagami" for the study of historical material. 『吾妻鏡』を研究史料の俎板に乗せた点で、『吾妻鏡』研究の出発点ともなったことは確かである。
It is certain that his study became the starting point of discussion in regards to taking up "Azuma Kagami" for the study of historical material. 『吾妻鏡』を研究史料の俎板に乗せた点で、『吾妻鏡』研究の出発点ともなったことは確かである。