Photos are rare of many of these vehicles, and in some cases, they seem to have disappeared.
Leyland Lion: http://www.cumbriaclassiccoaches.co.uk/lion1a.asp
AEC Regal Bus: http://www.cumbriaclassiccoaches.co.uk/florence.asp
Leyland Leopard: http://eylandeopards.fotopic.net/
Volvo Bus: http://en.wikipedia.org/wiki/Volvo_B10M (Only Volvo Bus made during the 1987 design date)
Volvo MKII Superbus: Fictional.
Bedford Coal Truck: http://www.collectorsworld.net/mb3.htm
Ford Coal Truck: http://www.motormarkltd.com/images/tippers.gif
DW Coal Truck: Fictional