Omori, Taketo (15 July 2023). 【新時代の幕開け!】東武特急「スペーシアX」運行開始! [(The beginning of a new era!) Tobu limited express "Spacia X" starts operation!]. RM News. Japan: Neko Publishing. Archived from the original on 15 July 2023. Retrieved 15 July 2023.
東武鉄道 特急リバイバルカラー車両第3弾 100系「デラックスロマンスカーカラー」‼ [Tobu Railway unveils third phase of limited express scheme revival plan: 100 series in "Deluxe Romance Car" livery!!]. RM News (in Japanese). Japan: Neko Publishing. 3 December 2021. Archived from the original on 15 July 2023. Retrieved 15 July 2023.
railf.jp
東武鉄道100系106編成も「日光詣スペーシア」となって出場試運転 [Tobu 100 series set 106 test-run after becoming "Nikko Moude Spacia"]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 17 July 2015. Archived from the original on 17 July 2015. Retrieved 17 July 2015.
東武100系がデビュー当時のカラーリングに [Tobu 100 series in original livery]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 4 June 2021. Archived from the original on 15 July 2023. Retrieved 15 July 2023.
tetsudo.com
"東武が新型特急「N100系」導入、ラウンジやカフェカウンターを設置 - 鉄道コム" [Tobu announces new limited express N100 series fleet, installs lounges and cafe counters]. 鉄道コム (in Japanese). 11 November 2021. Archived from the original on 11 November 2021. Retrieved 14 November 2021.
tobu.co.jp
特急スペーシアをリニューアルします!! [Spacia limited express to be refurbished] (PDF). News Release (in Japanese). Japan: Tobu Railway. 15 December 2011. Archived from the original(PDF) on 16 December 2011. Retrieved 16 December 2011.
web.archive.org
"東武が新型特急「N100系」導入、ラウンジやカフェカウンターを設置 - 鉄道コム" [Tobu announces new limited express N100 series fleet, installs lounges and cafe counters]. 鉄道コム (in Japanese). 11 November 2021. Archived from the original on 11 November 2021. Retrieved 14 November 2021.
Omori, Taketo (15 July 2023). 【新時代の幕開け!】東武特急「スペーシアX」運行開始! [(The beginning of a new era!) Tobu limited express "Spacia X" starts operation!]. RM News. Japan: Neko Publishing. Archived from the original on 15 July 2023. Retrieved 15 July 2023.
特急スペーシアをリニューアルします!! [Spacia limited express to be refurbished] (PDF). News Release (in Japanese). Japan: Tobu Railway. 15 December 2011. Archived from the original(PDF) on 16 December 2011. Retrieved 16 December 2011.
東武鉄道100系106編成も「日光詣スペーシア」となって出場試運転 [Tobu 100 series set 106 test-run after becoming "Nikko Moude Spacia"]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 17 July 2015. Archived from the original on 17 July 2015. Retrieved 17 July 2015.
東武鉄道 特急リバイバルカラー車両第3弾 100系「デラックスロマンスカーカラー」‼ [Tobu Railway unveils third phase of limited express scheme revival plan: 100 series in "Deluxe Romance Car" livery!!]. RM News (in Japanese). Japan: Neko Publishing. 3 December 2021. Archived from the original on 15 July 2023. Retrieved 15 July 2023.
東武100系がデビュー当時のカラーリングに [Tobu 100 series in original livery]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 4 June 2021. Archived from the original on 15 July 2023. Retrieved 15 July 2023.