"JR東日本に新型車両2形式 – E129系とディーゼルハイブリッド車両HB-E210系" [Two new train types for JR East: E129 series and diesel hybrid HB-210 series]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 2 July 2013. Retrieved 3 July 2013.
railf.jp
HB-E210系が甲種輸送される [HB-E210 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 14 January 2015. Retrieved 14 January 2015.
HB-E210系が東北本線で試運転 [HB-E201 series test run on Tohoku Main Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 17 January 2015. Retrieved 17 January 2015.
HB-E210系C-5・C-6編成が甲種輸送される [HB-E210 series sets C-5 and C-6 delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 4 March 2015. Retrieved 4 March 2015.
HB-E210系C-7・C-8編成が甲種輸送される [HB-E210 series sets C-7 and C-8 delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 13 March 2015. Retrieved 13 March 2015.