寝台特急〈北斗星〉ラストラン [Last run of Hokutosei sleeping car limited express]. RM News (in Japanese). Japan: Neko Publishing Co. Ltd. 24 August 2015. Archived from the original on 23 August 2017. Retrieved 2 September 2015.
Saito, Masatoshi (7 November 2013). ブルートレイン:廃止へ…JR3社、北海道新幹線開業で [Blue Trains to be scrapped by 3 JR companies - with opening of Hokkaido Shinkansen]. Mainichi.jp (in Japanese). Japan: The Mainichi Newspapers. Archived from the original on November 8, 2013. Retrieved 7 November 2013.
Saito, Masatoshi (7 November 2013). ブルートレイン:廃止へ…JR3社、北海道新幹線開業で [Blue Trains to be scrapped by 3 JR companies - with opening of Hokkaido Shinkansen]. Mainichi.jp (in Japanese). Japan: The Mainichi Newspapers. Archived from the original on November 8, 2013. Retrieved 7 November 2013.
寝台特急〈北斗星〉ラストラン [Last run of Hokutosei sleeping car limited express]. RM News (in Japanese). Japan: Neko Publishing Co. Ltd. 24 August 2015. Archived from the original on 23 August 2017. Retrieved 2 September 2015.