Broom, M. L.; Smart, G. W. (1990). "The design, manufacture and assembly of the British Rail Class 91, 25 kV 225 km/h locomotive". Proceedings of the Institute of Mechanical Engineers Vol. 205. doi:10.1243/PIME_PROC_1990_204_200_02.
Osano, Kagehisa (16 April 2022). "「ロマンスカーVSE」デザイナーが明かす誕生秘話 | 特急・観光列車" ["Romancecar VSE" designer reveals the story behind its design]. Toyo Keizai Online (in Japanese). Archived from the original on 18 April 2022. Retrieved 3 May 2022.
Osano, Kagehisa (16 April 2022). "「ロマンスカーVSE」デザイナーが明かす誕生秘話 | 特急・観光列車" ["Romancecar VSE" designer reveals the story behind its design]. Toyo Keizai Online (in Japanese). Archived from the original on 18 April 2022. Retrieved 3 May 2022.