登録文化財 [Number of Registered Cultural Properties by Prefecture] (in Japanese). Agency for Cultural Affairs. 1 February 2024. Retrieved 28 February 2024.
大分県内の国・県指定等文化財一覧 [List of National and Prefectural Cultural Properties in Ōita Prefecture] (in Japanese). Ōita Prefecture. 31 March 2023. Retrieved 28 February 2024.