【4両編成で】東急8500系まさかの復活！臨時列車用として 2024年秋頃より [(4-car set) Tokyu 8500 series makes a surprise comeback! For special trains from autumn 2024]. RM News (in Japanese). Japan: Neko Publishing. 2 August 2024. Retrieved 6 August 2024.
"東急電鉄8500系、1月に定期運行終了「ありがとうハチゴー」4/6から" [Tokyu to end 8500 series operation in January 2023, "Thank you Hachigo" headmark from 6 April]. Mynavi News (in Japanese). Mynavi Corporation. 5 April 2022. Retrieved 5 April 2022.
Sugiyama, Junichi (7 April 2018). "鉄道トリビア(450) 東急電鉄8500系、営団地下鉄に貸し出されたことがある" [Railway Trivia #450 - Tokyu leased 8500 series trains to Eidan Subway]. Mynavi News (in Japanese). Mynavi Corporation. Retrieved 5 April 2022.
"東急8500系，定期運行を2023年1月に終了" [Tokyu 8500 series scheduled to end operation in January 2023]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 5 April 2022. Retrieved 5 April 2022.
東急，8500系8637編成を4両編成化して動態保存へ [Tokyu to convert 8500 series set 8637 to 4-car formation and preserve it]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 3 August 2024. Retrieved 6 August 2024.
赤い帯のハチゴー、想い出の彼方へ 東急8500系8631編成の引退に寄せて [The retirement of the red-belted Tokyu 8500 series set 8631]. Tetsudo.com (in Japanese). Japan: Asahi Interactive. 28 May 2022. Retrieved 25 January 2023.
約48年の活躍、終焉 東急8500系、ついに引退 [After almost 48 years of service, the Tokyu 8500 series is finally retired]. Tetsudo.com (in Japanese). Japan: Asahi Interactive. 25 January 2023. Retrieved 25 January 2023.
「ゴオォォ…」も記憶の中に 東急8500系半世紀の歴史に幕 なぜここまで田園都市線のヌシに？ ["Go-o-o..." The legacy of the half-century-old Tokyu 8500 series, why is it so prominent on the Den-en-toshi Line?]. Traffic News (in Japanese). Mediavague Co., Ltd. 28 January 2023. Retrieved 29 January 2023.
