Looking back at the medieval history studies conducted after World War II, we can see that the theories of bushi and bushidan shared by the first post-war generation, which started off with "Chuseiteki Sekai no Keise" (The Formation of the Medieval World) by Tadashi (also pronounced Sho) ISHIMODA, focused greatly on the lord of the manor.
戦後の中世研究史を振り返ると、石母田正の『中世的世界の形成』に始まる第一世代での武士・武士団論は在地領主に主眼を置いたものだった。