Title: Iwadeyama Date-ke no Hokkaidō kaitaku ijū
Subjects: Sources, History, Archives, Kaitaku-Rekishi-Shiryō, Tōbetsuchō(Hokkaidō)-Rekishi-Shiryō
Places: Tōbetsu-chō (Japan), Sendai-han (Japan), Japan, Sendai-han, Tōbetsu-chō
People: Date family
Time periods: 19th century