Yamaha at the TT Races : 1961 to 1968Raymond Ainscoe, Elwyn Roberts · First published 2011Open the Tome
BenbenMeinir McDonald, Gwilym Dyfri Jones, Eirlys Roberts, Elwyn Ioan · First published 1998Open the Tome
The Illustrated encyclopedia of equestrian sportsSally Gordon, Elwyn Hartley Edwards, Roberts, Peter · First published 1982Open the Tome
