 | March 2018. 227系近郊形直流電車 [227 series suburban DC EMU]. Japan Railfan Magazine (in Japanese). 54 (644): 58–60. December 2014. JR西日本 227系に車輌愛称名導入 [JR-West to... 37 KB (2,826 words) - 07:13, 7 April 2024 |
 | westjr.co.jp. Retrieved 24 January 2023. "JR西日本、広島地区に227系近郊形直流電車を投入" [JR West to introduce 227 series DC suburban trains in Hiroshima area]. The... 11 KB (633 words) - 09:30, 25 February 2024 |
 | original on 6 December 2023. Retrieved 2 February 2024. JR西日本、広島地区に227系近郊形直流電車を投入 [JR West to introduce 227 series DC suburban trains in Hiroshima area]. The... 12 KB (984 words) - 03:12, 24 April 2024 |