bunkazai-nagano.jp

Anchor text: Nagano city official site

Wikipedia: Chōkoku-ji (Nagano)

Anchor text: Cultural Properties of Nagano Prefecture

Wikipedia: Hanishina Kofun group

Anchor text: Nagano city cultural database

Wikipedia: Senryū-Shōgunzuka Kofun

Anchor text: Nagano city cultural heritage database

Wikipedia: Ōmuro Kofun group

Anchor text: 長野聖救主教会：国登録有形文化財（長野県文化財データベース）

Wikipedia: Nagano Holy Saviour Church