Ikuo Eda1960BooksAshikaga Takauji saihakkenAshikaga TakaujiSengoku daimyō Utsunomiya-shi to kachūMuromachi Bakufu Tōgoku shihai no kenkyūOku daidōChūsei Utsunomiya-shiShimotsuke Naganuma-shiChūsei Tōgoku no kaidō to bushidanShimotsuke Utsunomiya-shiAuthor data: Open Library