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Clinnick, Richard (20 March 2013). "No rest for the '91s'". Rail Magazine. Peterborough: Bauer Consumer Media. Retrieved 19 November 2022.
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Clinnick, Richard (24 April 2019). "May start for withdrawal of LNER's redundant trains". Rail Magazine. No. 877. Peterborough: Bauer Media. p. 32. ISSN0953-4563.