木下健児 (12 May 2020). "JR東日本E131系、内房線・外房線・鹿島線に新型車両 - 計24両投入" [JR East E131 series, new vehicle on Uchibo Line, Sotobo Line, Kashima Line - 24 cars to be introduced]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 12 May 2020. Retrieved 13 May 2020.
"E131系が登場". Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 17 July 2020. Archived from the original on 17 July 2020. Retrieved 20 July 2020.
hobidas.com
rail.hobidas.com
"相模線用E131系500（580）番代「G-11編成」が出場" [Sagami Line E131-500 (580) series "set G-11" on test]. RM News. Japan: Neko Publishing. 15 January 2022. Archived from the original on 11 October 2022. Retrieved 11 October 2022.
E131系1000番代「T1編成」を配給輸送 [E131-1000 series set T1 transported]. RM News. 6 October 2023. Archived from the original on 2 November 2023. Retrieved 11 October 2023.
【205系の行方は？】鶴見線に新型E131系導入 車体が今までと少し違う様子…？ [[What is the whereabouts of the 205 series?] The introduction of the new E131 series on the Tsurumi Line. The car body looks a little different from before...?]. RM News. Japan: Neko Publishing. 24 July 2023. Archived from the original on 24 July 2023. Retrieved 24 July 2023.
鶴見線用のE131系1000番代の第2編成が登場！ [Second E131-1000 series set is introduced]. RM News. 11 October 2023. Archived from the original on 2 November 2023. Retrieved 11 October 2023.
jreast.co.jp
"房総・鹿島エリアへの新型車両の投入について" [Information about new train type for the Boso/Kashima areas] (PDF) (in Japanese). 12 May 2020. Archived(PDF) from the original on 12 May 2020. Retrieved 12 May 2020.
東日本旅客鉄道 (18 December 2020). "2021年3月ダイヤ改正について" [March 2021 timetable revision] (PDF) (in Japanese). Archived(PDF) from the original on 18 December 2020. Retrieved 5 April 2021.
東日本旅客鉄道千葉支社 (18 December 2020). "2021年3月ダイヤ改正について" [March 2021 timetable revision] (PDF) (in Japanese). Archived(PDF) from the original on 19 December 2020. Retrieved 5 April 2021.
"相模線への新型車両の投入について" [Information about new train type for the Sagami Line] (PDF) (in Japanese). 17 June 2021. Archived(PDF) from the original on 20 June 2021. Retrieved 17 June 2021.
"宇都宮線・日光線に新型車両を投入します" [New train sets for the Utsunomiya and Nikko Lines] (PDF) (in Japanese). 17 June 2021. Archived(PDF) from the original on 18 June 2021. Retrieved 17 June 2021.
"新型車両「Ｅ131 系」の展示会を開催します！" [New E131 series train Exhibition] (PDF). 18 February 2021. Archived(PDF) from the original on 10 April 2021. Retrieved 19 February 2021.
"相模線Ｅ131 系営業運転開始について" [About the entry of service of the Sagami Line E131 series] (PDF) (in Japanese). 17 September 2021. Archived(PDF) from the original on 18 September 2021. Retrieved 23 September 2021.
"２０２２年３月ダイヤ改正について（八王子支社）" [March 2022 timetable revision, Hachioji Branch] (PDF). 17 December 2021. Archived(PDF) from the original on 17 December 2021. Retrieved 29 December 2021.
"２０２２年３月ダイヤ改正について（大宮支社）" [March 2022 timetable revision, Omiya Branch] (PDF) (in Japanese). 17 December 2021. Archived(PDF) from the original on 17 December 2021. Retrieved 29 December 2021.
mynavi.jp
news.mynavi.jp
"JR東日本、新型車両E131系を公開 - ワンマン運転に対応、写真95枚" [JR East unveils new E131 series trains equipped for one-man operation - 95 photos]. Mynavi News (in Japanese). Mynavi Corporation. 19 February 2021. Archived from the original on 9 March 2022. Retrieved 14 March 2022.
"JR東日本E131系、新型車両を公開 - デビューに先立ち展示会も開催" [JR East unveils new E131 series trains, exhibition held ahead of debut]. Mynavi News (in Japanese). Mynavi Corporation. 18 February 2021. Archived from the original on 5 March 2021. Retrieved 14 March 2022.
木下健児 (12 May 2020). "JR東日本E131系、内房線・外房線・鹿島線に新型車両 - 計24両投入" [JR East E131 series, new vehicle on Uchibo Line, Sotobo Line, Kashima Line - 24 cars to be introduced]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 12 May 2020. Retrieved 13 May 2020.
railf.jp
"JR東日本，仙石線にE131系を導入へ". Japan Railfan Magazine Online (in Japanese). Retrieved 24 December 2024.
"E131系が登場". Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 17 July 2020. Archived from the original on 17 July 2020. Retrieved 20 July 2020.
"E131系が配給輸送される" [E131 series sets R01 and R02 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 July 2020. Archived from the original on 2 March 2024. Retrieved 2 March 2024.
"E131系R03編成・R04編成の配給輸送が行なわれる" [E131 series sets R03 and R04 will be transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 August 2020. Archived from the original on 8 October 2020. Retrieved 2 March 2024.
"E131系R05・R06編成が配給輸送される" [E131 series sets R05 and R06 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 11 October 2020. Archived from the original on 12 October 2020. Retrieved 2 March 2024.
"E131系R07・R08編成が配給輸送される" [E131 series sets R07 and R08 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 27 November 2020. Archived from the original on 7 December 2020. Retrieved 2 March 2024.
E131系R11編成が配給輸送される [E131 series set R11 to be transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2 March 2021. Archived from the original on 9 June 2022. Retrieved 9 June 2022.
"E131系R12編成が配給輸送される" [E131 series set R12 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 21 March 2021. Archived from the original on 2 March 2024. Retrieved 2 March 2024.
JR東日本，鶴見線にE131系を導入 [JR East to introduce E131 series to Tsurumi Line]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 24 July 2023. Archived from the original on 24 July 2023. Retrieved 24 July 2023.
E131系1000番代が鶴見線で営業運転を開始 [E131-1000 series begins operation on the Tsurumi Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 26 December 2023. Archived from the original on 26 December 2023. Retrieved 26 December 2023.
鶴見線向けE131系1000番代T8編成が登場 [Tsurumi Line E131-1000 series set T8 appears]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha. 19 December 2023. Archived from the original on 20 December 2023. Retrieved 20 December 2023.
tokyo-np.co.jp
"房総の海などをイメージ 新型車両 きょうから内房・外房線、鹿島線に導入：東京新聞 TOKYO Web" [Image of the sea of Boso etc. Introduced onto the Uchibo/Sotobo line and Kashima line from today.]. 東京新聞 TOKYO Web (in Japanese). 13 March 2021. Archived from the original on 5 April 2021. Retrieved 5 April 2021.
"JR東日本、新型車両E131系を公開 - ワンマン運転に対応、写真95枚" [JR East unveils new E131 series trains equipped for one-man operation - 95 photos]. Mynavi News (in Japanese). Mynavi Corporation. 19 February 2021. Archived from the original on 9 March 2022. Retrieved 14 March 2022.
"JR東日本E131系、新型車両を公開 - デビューに先立ち展示会も開催" [JR East unveils new E131 series trains, exhibition held ahead of debut]. Mynavi News (in Japanese). Mynavi Corporation. 18 February 2021. Archived from the original on 5 March 2021. Retrieved 14 March 2022.
"房総・鹿島エリアへの新型車両の投入について" [Information about new train type for the Boso/Kashima areas] (PDF) (in Japanese). 12 May 2020. Archived(PDF) from the original on 12 May 2020. Retrieved 12 May 2020.
"房総の海などをイメージ 新型車両 きょうから内房・外房線、鹿島線に導入：東京新聞 TOKYO Web" [Image of the sea of Boso etc. Introduced onto the Uchibo/Sotobo line and Kashima line from today.]. 東京新聞 TOKYO Web (in Japanese). 13 March 2021. Archived from the original on 5 April 2021. Retrieved 5 April 2021.
東日本旅客鉄道 (18 December 2020). "2021年3月ダイヤ改正について" [March 2021 timetable revision] (PDF) (in Japanese). Archived(PDF) from the original on 18 December 2020. Retrieved 5 April 2021.
東日本旅客鉄道千葉支社 (18 December 2020). "2021年3月ダイヤ改正について" [March 2021 timetable revision] (PDF) (in Japanese). Archived(PDF) from the original on 19 December 2020. Retrieved 5 April 2021.
"相模線への新型車両の投入について" [Information about new train type for the Sagami Line] (PDF) (in Japanese). 17 June 2021. Archived(PDF) from the original on 20 June 2021. Retrieved 17 June 2021.
"宇都宮線・日光線に新型車両を投入します" [New train sets for the Utsunomiya and Nikko Lines] (PDF) (in Japanese). 17 June 2021. Archived(PDF) from the original on 18 June 2021. Retrieved 17 June 2021.
"新型車両「Ｅ131 系」の展示会を開催します！" [New E131 series train Exhibition] (PDF). 18 February 2021. Archived(PDF) from the original on 10 April 2021. Retrieved 19 February 2021.
"E131系が配給輸送される" [E131 series sets R01 and R02 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 July 2020. Archived from the original on 2 March 2024. Retrieved 2 March 2024.
"E131系R03編成・R04編成の配給輸送が行なわれる" [E131 series sets R03 and R04 will be transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 August 2020. Archived from the original on 8 October 2020. Retrieved 2 March 2024.
"E131系R05・R06編成が配給輸送される" [E131 series sets R05 and R06 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 11 October 2020. Archived from the original on 12 October 2020. Retrieved 2 March 2024.
"E131系R07・R08編成が配給輸送される" [E131 series sets R07 and R08 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 27 November 2020. Archived from the original on 7 December 2020. Retrieved 2 March 2024.
E131系R11編成が配給輸送される [E131 series set R11 to be transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2 March 2021. Archived from the original on 9 June 2022. Retrieved 9 June 2022.
"E131系R12編成が配給輸送される" [E131 series set R12 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 21 March 2021. Archived from the original on 2 March 2024. Retrieved 2 March 2024.
"相模線Ｅ131 系営業運転開始について" [About the entry of service of the Sagami Line E131 series] (PDF) (in Japanese). 17 September 2021. Archived(PDF) from the original on 18 September 2021. Retrieved 23 September 2021.
"２０２２年３月ダイヤ改正について（八王子支社）" [March 2022 timetable revision, Hachioji Branch] (PDF). 17 December 2021. Archived(PDF) from the original on 17 December 2021. Retrieved 29 December 2021.
"相模線用E131系500（580）番代「G-11編成」が出場" [Sagami Line E131-500 (580) series "set G-11" on test]. RM News. Japan: Neko Publishing. 15 January 2022. Archived from the original on 11 October 2022. Retrieved 11 October 2022.
"２０２２年３月ダイヤ改正について（大宮支社）" [March 2022 timetable revision, Omiya Branch] (PDF) (in Japanese). 17 December 2021. Archived(PDF) from the original on 17 December 2021. Retrieved 29 December 2021.
E131系1000番代「T1編成」を配給輸送 [E131-1000 series set T1 transported]. RM News. 6 October 2023. Archived from the original on 2 November 2023. Retrieved 11 October 2023.
JR東日本，鶴見線にE131系を導入 [JR East to introduce E131 series to Tsurumi Line]. Japan Railfan Magazine Online (in Japanese). Koyusha Co., Ltd. 24 July 2023. Archived from the original on 24 July 2023. Retrieved 24 July 2023.
【205系の行方は？】鶴見線に新型E131系導入 車体が今までと少し違う様子…？ [[What is the whereabouts of the 205 series?] The introduction of the new E131 series on the Tsurumi Line. The car body looks a little different from before...?]. RM News. Japan: Neko Publishing. 24 July 2023. Archived from the original on 24 July 2023. Retrieved 24 July 2023.
E131系1000番代が鶴見線で営業運転を開始 [E131-1000 series begins operation on the Tsurumi Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 26 December 2023. Archived from the original on 26 December 2023. Retrieved 26 December 2023.
鶴見線用のE131系1000番代の第2編成が登場！ [Second E131-1000 series set is introduced]. RM News. 11 October 2023. Archived from the original on 2 November 2023. Retrieved 11 October 2023.
鶴見線向けE131系1000番代T8編成が登場 [Tsurumi Line E131-1000 series set T8 appears]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha. 19 December 2023. Archived from the original on 20 December 2023. Retrieved 20 December 2023.
