British Rail Mark 3 (English Wikipedia)

Tom Geoghegan (24 July 2003). "Toilet waste 'hampers rail repairs'". BBC News. Retrieved 13 November 2013.
"Toilet waste 'sprays' track staff". BBC News. 6 August 2006. Retrieved 13 November 2013.

"End 'disgusting' train toilet sewage – Lady Kramer". BBC News. 13 November 2013. Retrieved 13 November 2013.

crosscountrytrains.co.uk

Geater, Paul (30 March 2020). "End of the line for traditional trains on Greater Anglia routes". East Anglian Daily Times. Retrieved 31 March 2020.

Shem, Pennant (7 June 2010). "Latest Gadgets round up: Heart rate monitors, Volo TV and Jinx tees". LatestGadgets. Archived from the original on 13 June 2010. Retrieved 13 June 2010.

"Mk3 Locomotive Hauled Coaches" (PDF). Porterbrook. Derby. July 2012. p. 6. Archived from the original (PDF) on 21 February 2015. Retrieved 22 February 2015.

"Great Western short HST set testing begins". The Railway Magazine. 11 April 2018. Retrieved 28 May 2018.

Ungoed-Thomas, Jon; Clover, Charles (9 January 2011). "Rail bosses face EU inquiry over sewage on tracks". The Sunday Times. London. Archived from the original on 13 November 2013. Retrieved 13 November 2013. (subscription required)

"Grand Central Railway to operate HST power cars and loco-hauled Mk3s". The Railway Centre. 5 October 2006. Archived from the original on 28 November 2006.{{cite web}}: CS1 maint: unfit URL (link)
Ungoed-Thomas, Jon; Clover, Charles (9 January 2011). "Rail bosses face EU inquiry over sewage on tracks". The Sunday Times. London. Archived from the original on 13 November 2013. Retrieved 13 November 2013. (subscription required)
"Mk3 Locomotive Hauled Coaches" (PDF). Porterbrook. Derby. July 2012. p. 6. Archived from the original (PDF) on 21 February 2015. Retrieved 22 February 2015.
Shem, Pennant (7 June 2010). "Latest Gadgets round up: Heart rate monitors, Volo TV and Jinx tees". LatestGadgets. Archived from the original on 13 June 2010. Retrieved 13 June 2010.