ロマンスカー・HiSE、ロマンスカー・RSE、通勤車両5000形 "特設サイト”開設 "引退記念イベント”開催!! [Special Website Set Up to Mark Withdrawal of HiSe and RSE Romancecars and 5000 series Commuter Train] (PDF). News Release (in Japanese). Japan: Odakyu Electric Railway. 16 December 2011. Archived(PDF) from the original on 3 May 2022. Retrieved 17 December 2011.
sankei.com
"小田急ロマンスカーミュージアム開館 中川家礼二さんも車掌姿". sankei.com (in Japanese). The Sankei Shimbun. 19 April 2021. Archived from the original on 11 December 2022. Retrieved 23 January 2023.
web.archive.org
ロマンスカー・HiSE、ロマンスカー・RSE、通勤車両5000形 "特設サイト”開設 "引退記念イベント”開催!! [Special Website Set Up to Mark Withdrawal of HiSe and RSE Romancecars and 5000 series Commuter Train] (PDF). News Release (in Japanese). Japan: Odakyu Electric Railway. 16 December 2011. Archived(PDF) from the original on 3 May 2022. Retrieved 17 December 2011.
"小田急ロマンスカーミュージアム開館 中川家礼二さんも車掌姿". sankei.com (in Japanese). The Sankei Shimbun. 19 April 2021. Archived from the original on 11 December 2022. Retrieved 23 January 2023.