週刊私鉄全駅・全車両基地 No.08 [Weekly All Private Railway Stations and Depots No.8]. Japan: Asahi Shimbun Publications Inc. 9 February 2014. pp. 9–19. EAN4910234820243.
hobidas.com
rail.hobidas.com
東急5050系が西武鉄道池袋線で営業運転開始 [Tokyu 5050 series enters service on the Seibu Ikebukuro Line]. RM News (in Japanese). Japan: Neko Publishing. 10 September 2012. Retrieved 10 September 2012.
railf.jp
"東武東上線の快速列車が廃止に". Japan Railfan Magazine Online (in Japanese). Retrieved 18 March 2023.
３月５日（土）東上線でダイヤ改正を実施 [Tojo Line Timetable Revision for 5 March] (PDF). Tobu News (in Japanese). Tobu Railway. 24 January 2011. Archived from the original(PDF) on 6 February 2011. Retrieved 25 January 2011.
「東武スカイツリーライン」誕生！ あわせて駅ナンバリングを導入し、よりわかりやすくご案内します [Tobu Sky Tree Line created! Station numbering to be introduced at same time] (PDF). Tobu News (in Japanese). Tobu Railway. 9 February 2012. Archived from the original(PDF) on 24 August 2012. Retrieved 18 March 2012.
東武東上線がより便利に！ 自由が丘、横浜、元町・中華街方面とつながります！ [The Tojo Tobu Line will be even more convenient! Linked with Jiyugaoka, Yokohama, and Motomachi-Chukagai] (pdf). Tobu News (in Japanese). Tobu Railway. 24 July 2012. Retrieved 24 July 2012.
２０１５年度の鉄道事業設備投資計画 [Fiscal 2015 railway business investment plans] (PDF). News release (in Japanese). Japan: Tobu Railway. 30 April 2015. p. 2. Retrieved 2 May 2015.
３月５日（土）東上線でダイヤ改正を実施 [Tojo Line Timetable Revision for 5 March] (PDF). Tobu News (in Japanese). Tobu Railway. 24 January 2011. Archived from the original(PDF) on 6 February 2011. Retrieved 25 January 2011.
「東武スカイツリーライン」誕生！ あわせて駅ナンバリングを導入し、よりわかりやすくご案内します [Tobu Sky Tree Line created! Station numbering to be introduced at same time] (PDF). Tobu News (in Japanese). Tobu Railway. 9 February 2012. Archived from the original(PDF) on 24 August 2012. Retrieved 18 March 2012.
