Title: Ōtomoyakata to Funai no kenkyū
Subjects: Daimyo, Social life and customs, History, Ōitashi-Rekishi, Iseki ibutsu-Ōitashi, Ōtomo shi, Buke kojitsu
Places: Japan, Ōita-shi, Ōita-shi (Japan)
People: Ōtomo family
Time periods: Period of civil wars, 1480-1603