In the first volume of "Hiraizumishi" (The History of Hiraizumi) (edited by Mafuji TAKAHIRA, the head of the Koseikan runned by the Ichinoseki Domain), there is an article about the battle at Kanazawasaku in Go Sannen no Eki (Later Three-Year Campaign):
『平泉志』巻之上（一関藩教成館學頭、高平眞藤編）によると、後三年の役の金澤柵の攻防の記事に、下記を載せた。