Added page for William in the Roll of Honour, ‘Site Memorial’ section:-
http://www.roll-of-honour.org.uk/p/html/preston-william-charles-harry.htm
and
http://www.roll-of-honour.org.uk/My-Home-Town/
Information
KEW:- WO 392/25, WO 361/1742, WO 361/758, WO 361/2057, WO 345/42, WO 361/2005, WO 361/758, WO 361/758,