"W.G. Barker" . "1914" . . "William Barker" . . . . . . "Major Barker" . . "William G. \\\"Billy\\\" Barker" . . . . . . . . . "1930" . . . . . . . . . . . . . . "William George Barker" . . . . . "William G. Barker" . . . . . . "Lt.-Col. William George Barker" . "William George Barker" . . . . . . . . . . . . . . . . . . "1894" . . . "No. 139 Squadron RAF" . . . "United Kingdom" . . . . . "1919" . "Billy Barker" . . . . . . . "Canada" . . . . . "William George 'Billy' Barker, VC, DSO & Bar, MC & Two Bars" . . . . . . . . "\\\"Billy\\\" Barker" . . "W G Barker" . . . . .