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.
東京メトロ、4月に営業運転終えた7000系のスタンプラリーなど企画 [Tokyo Metro to plan stamp rally for 7000 series that ended commercial operation in April]. Mynavi News (in Japanese). Mynavi Corporation. 19 May 2022. Retrieved 7 June 2022.
東京メトロ「兄弟車」有楽町線・副都心線17000系と半蔵門線18000系 [Tokyo Metro "Brother Car" Yurakucho Line & Fukutoshin Line 17000 series and Hanzomon Line 18000 series]. Mynavi News (in Japanese). Mynavi Corporation. 25 September 2021. Retrieved 7 June 2022.
tobu.co.jp
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.
tokyometro.jp
"有楽町線"(PDF) (in Japanese). 10 March 2015. Archived from the original(PDF) on 9 March 2020. Retrieved 21 May 2023.
"女性専用車｜東京メトロ". www.TokyoMetro.jp. Retrieved 3 March 2019.
"副都心線・有楽町線のダイヤが決定！" [Fukutoshin Line and Yurakucho Line timetables have been decided!]. tokyometro.jp (in Japanese). 27 March 2007. Archived from the original on 18 July 2017. Retrieved 31 January 2024.
"～神奈川県央地域及び横浜市西部から東京・埼玉に至る広域的な鉄道ネットワークの形成～" [-Formation of a wide-area railway network from central Kanagawa Prefecture and western Yokohama to Tokyo and Saitama-] (PDF). tokyometro.jp. 27 January 2022. Archived from the original(PDF) on 27 January 2022. Retrieved 22 March 2023.
"副都心線・有楽町線のダイヤが決定！" [Fukutoshin Line and Yurakucho Line timetables have been decided!]. tokyometro.jp (in Japanese). 27 March 2007. Archived from the original on 18 July 2017. Retrieved 31 January 2024.
"～神奈川県央地域及び横浜市西部から東京・埼玉に至る広域的な鉄道ネットワークの形成～" [-Formation of a wide-area railway network from central Kanagawa Prefecture and western Yokohama to Tokyo and Saitama-] (PDF). tokyometro.jp. 27 January 2022. Archived from the original(PDF) on 27 January 2022. Retrieved 22 March 2023.
