Most Secret: Uncovering the Story of Northumberland's Underground Resistance - the Auxiliary Units of WW2; Wanny Books; 2015; ISBN 978 0 9927324 9 3
Most Secret: Uncovering the Story of Northumberland's Underground Resistance - the Auxiliary Units of WW2; Wanny Books; 2015; ISBN 978 0 9927324 9 3