«Five Rise lock keeper». Canal & River Trust. Henta 3. april 2018. «Barry Whitelock became a lock keeper at Five Rise Locks in 1978 and retired in 2017, making him the country’s longest-serving lock keeper.»
thegazette.co.uk
«No. 58196». The London Gazette (Supplement): 24. 30. desember 2006. «Barry Whitelock. For services to Inland Waterways in the North.»