中古車両、熊本電鉄で「第二の人生」５車種すべて移籍組 東京メトロの３編成導入へ [Old rolling stock to spend new life, 5 different types already transferred, 3 Tokyo Metro trains to be introduced] (in Japanese). Japan: Nishinippon Shimbun. 15 January 2018. Archived from the original on 16 January 2018. Retrieved 16 January 2018.
railf.jp
熊本電鉄で「1000形撮影会」開催 [Kumamoto Electric Railway holds "1000 Series Photo Session"]. Japan Railfan Magazine Onlinee (in Japanese). Japan: Koyusha Co., Ltd. 11 April 2022. Retrieved 28 January 2025.
web.archive.org
中古車両、熊本電鉄で「第二の人生」５車種すべて移籍組 東京メトロの３編成導入へ [Old rolling stock to spend new life, 5 different types already transferred, 3 Tokyo Metro trains to be introduced] (in Japanese). Japan: Nishinippon Shimbun. 15 January 2018. Archived from the original on 16 January 2018. Retrieved 16 January 2018.
