In the han system, Oshi was a political and economic abstraction based on periodic cadastral surveys and projected agricultural yields. In other words, the domain was defined in terms of kokudaka, not land area. This was different from the feudalism of the West.
List of Daimyo
- Mass, Jeffrey P. and William B. Hauser. (1987). The Bakufu in Japanese History, p. 150.
- Elison, George and Bardwell L. Smith (1987). Warlords, Artists, & Commoners: Japan in the Sixteenth Century, p. 18.
- Oshi domain daimyo list and short history (in Japanese)