車体傾斜装置、取りやめ検討 JR北海道、15年度以降導入の28両 将来の高速化に足かせも [JR Hokkaido to abandon tilt: 28 vehicles on order from FY2015 may hinder future speed increases]. Doshin (in Japanese). Japan: The Hokkaido Shimbun Press. 5 December 2013. Archived from the original on 6 December 2013. Retrieved 9 December 2013.
jrhokkaido.co.jp
観光列車に活用できる特急車両を製作します! [We will be introducing limited express rolling stock that can also be used for sightseeing trains!] (PDF). JR Hokkaido. 17 October 2019. Archived from the original(PDF) on 25 October 2019. Retrieved 16 December 2022.
mynavi.jp
news.mynavi.jp
"JR北海道キハ261系5000番台「はまなす編成」デビュー前に一般公開" [JR Hokkaido shows off KiHa 261-5000 series "Hamanasu" set to the public before its debut]. Mynavi News (in Japanese). 26 September 2020. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
"JR北海道「ラベンダー編成」姿を現す - 今年4月頃から使用開始予定" [JR Hokkaido "Lavender" train appears, scheduled to enter service in April of this year]. Mynavi News (in Japanese). 20 January 2021. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
"JR北海道「ラベンダー編成」「はまなす編成」10~11月の運行予定は" [JR Hokkaido "Lavender" and "Hamanasu" operation schedules for October and November]. Mynavi News (in Japanese). 20 August 2021. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
railf.jp
JR北海道,キハ261系1000番台のエクステリアデザインを変更 [JR Hokkaido to modify exterior styling of KiHa 261-1000 series]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 10 September 2015. Archived from the original on 10 September 2015. Retrieved 10 September 2015.
"キハ261系5000番台が甲種輸送される" [KiHa 261-5000 series set undergoes delivery]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 July 2020. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
"キハ261系5000番台が営業運転を開始" [KiHa 261-5000 series enters revenue service]. Japan Railfan Magazine (in Japanese). Japan: Koyusha Co., Ltd. 18 October 2020. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
trafficnews.jp
"観光列車に使える特急車両キハ261系5000番台新造 カウンター席や個室設置 JR北海道" [JR Hokkaido announces new limited express KiHa 261-5000 series trains that can be used for sightseeing trains, built with private compartments]. Traffic News (in Japanese). Mediavague Co., Ltd. 17 October 2019. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
web.archive.org
車体傾斜装置、取りやめ検討 JR北海道、15年度以降導入の28両 将来の高速化に足かせも [JR Hokkaido to abandon tilt: 28 vehicles on order from FY2015 may hinder future speed increases]. Doshin (in Japanese). Japan: The Hokkaido Shimbun Press. 5 December 2013. Archived from the original on 6 December 2013. Retrieved 9 December 2013.
JR北海道,キハ261系1000番台のエクステリアデザインを変更 [JR Hokkaido to modify exterior styling of KiHa 261-1000 series]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 10 September 2015. Archived from the original on 10 September 2015. Retrieved 10 September 2015.
"観光列車に使える特急車両キハ261系5000番台新造 カウンター席や個室設置 JR北海道" [JR Hokkaido announces new limited express KiHa 261-5000 series trains that can be used for sightseeing trains, built with private compartments]. Traffic News (in Japanese). Mediavague Co., Ltd. 17 October 2019. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
観光列車に活用できる特急車両を製作します! [We will be introducing limited express rolling stock that can also be used for sightseeing trains!] (PDF). JR Hokkaido. 17 October 2019. Archived from the original(PDF) on 25 October 2019. Retrieved 16 December 2022.
"JR北海道キハ261系5000番台「はまなす編成」デビュー前に一般公開" [JR Hokkaido shows off KiHa 261-5000 series "Hamanasu" set to the public before its debut]. Mynavi News (in Japanese). 26 September 2020. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
"キハ261系5000番台が甲種輸送される" [KiHa 261-5000 series set undergoes delivery]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 July 2020. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
"キハ261系5000番台が営業運転を開始" [KiHa 261-5000 series enters revenue service]. Japan Railfan Magazine (in Japanese). Japan: Koyusha Co., Ltd. 18 October 2020. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
"JR北海道「ラベンダー編成」姿を現す - 今年4月頃から使用開始予定" [JR Hokkaido "Lavender" train appears, scheduled to enter service in April of this year]. Mynavi News (in Japanese). 20 January 2021. Archived from the original on 16 December 2022. Retrieved 16 December 2022.
"JR北海道「ラベンダー編成」「はまなす編成」10~11月の運行予定は" [JR Hokkaido "Lavender" and "Hamanasu" operation schedules for October and November]. Mynavi News (in Japanese). 20 August 2021. Archived from the original on 16 December 2022. Retrieved 16 December 2022.