"Newsletter No. 5". Maunsell Locomotive Society. February 1979. Archived from the original on 7 February 2012. Retrieved 16 May 2007. For information on the "E" numbering system.
"Newsletter No. 5". Maunsell Locomotive Society. February 1979. Archived from the original on 7 February 2012. Retrieved 16 May 2007. For information on the "E" numbering system.