Ômori School

Late 18th–early 19th century

early to mid-19th century

Late 18th–early 19th century

mid-19th century

mid to late 19th century

mid-late 18th century

mid-late 18th century

mid-late 18th century

mid-late 18th century

mid-late 18th century

mid-late 18th century

Late 18th–early 19th century (?)