SS125 SS025 ／ 西武鉄道6000系 [SS125 SS025 / Seibu Railway 6000 series]. Rail Magazine. Neko Publishing. 24 November 2009. Retrieved 3 July 2022.
SS125A SS025A ／ 西武鉄道6000系 [SS125A SS025A / Seibu Railway 6000 series]. Rail Magazine. Neko Publishing. 2 October 2007. Retrieved 3 July 2022.
mynavi.jp
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Sasaki, Yasuhiro (28 May 2013). "西武対DeNA交流戦記念、両球団ロゴをあしらったラッピング電車運行" [Seibu train decorated with "Seibu vs. DeNA" logos]. Mynavi News (in Japanese). Mynavi Corporation. Archived from the original on 25 May 2022. Retrieved 25 May 2022.
railf-library.jp
西武6000系 [Seibu 6000 series]. Japan Railfan Magazine (in Japanese). Vol. 32, no. 372. Koyusha Co., Ltd. April 1992 [segment written 31 January 1992]. pp. 30–34. Archived from the original on 2 June 2022. Retrieved 23 May 2022.(subscription required)
railf.jp
Takii, Shoichi (7 July 2018). "西武6000系6102編成の集電装置がシングルアームに" [Seibu 6000 series set 6102 now has single-arm pantographs]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. Archived from the original on 7 December 2021. Retrieved 7 December 2021.
"東京メトロ7000系・西武6000系に"Y"ステッカー" [Tokyo Metro 7000 series and Seibu 6000 series affixed with "Y" stickers]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 11 June 2008. Archived from the original on 2 January 2009. Retrieved 31 May 2022.
西武鉄道 飯能駅で記念出発式 [Seibu Railway holds departure ceremony at Hanno Station]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 15 June 2008. Archived from the original on 2 January 2009. Retrieved 31 May 2022.
西武「黄色い6000系電車」運転開始 [Seibu "Yellow 6000 series" enters service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 19 April 2015. Archived from the original on 21 April 2015. Retrieved 21 April 2015.
西武6000系6017編成「西武有楽町線開通40周年記念車両」の運転開始 [Seibu Railway 6000 series set 6017, "Seibu Yurakucho Line 40th Anniversary Commemorative Train," begins operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. Retrieved 15 May 2024.
seiburailway.jp
2023年10月1日（日）より、西武有楽町線開通40周年記念車両の運行を開始します！ [From 1 October 2023, Seibu Yurakucho Line 40th anniversary vehicles will begin operating]. Seibu Railway (in Japanese). 29 September 2023. Retrieved 29 September 2023.
trafficnews.jp
Shibata, Togo (18 May 2022). "登場から30周年を迎える西武鉄道6000系 初の地下鉄直通車 違いもいろいろ" [Celebrating the 30th anniversary of the Seibu Railway 6000 series' introduction]. Traffic News (in Japanese). Medavague Co., Ltd. Archived from the original on 18 May 2022. Retrieved 28 May 2022.(subscription required)
"西武 6000系デビュー30周年で記念乗車券発売 デザインが異なる限定版と通常版の2種類" [Seibu begins selling tickets to commemorate 6000 series' 30th anniversary]. Traffic News (in Japanese). Mediavague Co., Ltd. 26 May 2022. Archived from the original on 2 June 2022. Retrieved 28 May 2022.
web.archive.org
Shibata, Togo (18 May 2022). "登場から30周年を迎える西武鉄道6000系 初の地下鉄直通車 違いもいろいろ" [Celebrating the 30th anniversary of the Seibu Railway 6000 series' introduction]. Traffic News (in Japanese). Medavague Co., Ltd. Archived from the original on 18 May 2022. Retrieved 28 May 2022.(subscription required)
西武6000系 [Seibu 6000 series]. Japan Railfan Magazine (in Japanese). Vol. 32, no. 372. Koyusha Co., Ltd. April 1992 [segment written 31 January 1992]. pp. 30–34. Archived from the original on 2 June 2022. Retrieved 23 May 2022.(subscription required)
"西武 6000系デビュー30周年で記念乗車券発売 デザインが異なる限定版と通常版の2種類" [Seibu begins selling tickets to commemorate 6000 series' 30th anniversary]. Traffic News (in Japanese). Mediavague Co., Ltd. 26 May 2022. Archived from the original on 2 June 2022. Retrieved 28 May 2022.
Takii, Shoichi (7 July 2018). "西武6000系6102編成の集電装置がシングルアームに" [Seibu 6000 series set 6102 now has single-arm pantographs]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. Archived from the original on 7 December 2021. Retrieved 7 December 2021.
"東京メトロ7000系・西武6000系に"Y"ステッカー" [Tokyo Metro 7000 series and Seibu 6000 series affixed with "Y" stickers]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 11 June 2008. Archived from the original on 2 January 2009. Retrieved 31 May 2022.
西武鉄道 飯能駅で記念出発式 [Seibu Railway holds departure ceremony at Hanno Station]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 15 June 2008. Archived from the original on 2 January 2009. Retrieved 31 May 2022.
Sasaki, Yasuhiro (28 May 2013). "西武対DeNA交流戦記念、両球団ロゴをあしらったラッピング電車運行" [Seibu train decorated with "Seibu vs. DeNA" logos]. Mynavi News (in Japanese). Mynavi Corporation. Archived from the original on 25 May 2022. Retrieved 25 May 2022.
西武「黄色い6000系電車」運転開始 [Seibu "Yellow 6000 series" enters service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 19 April 2015. Archived from the original on 21 April 2015. Retrieved 21 April 2015.
