1. ACRS Wounded and Missing Files. “4266 Patrick Mealey. AWM 1DRL/0428.” Accessed April 7 2023. https://s3-ap-southeast-2.amazonaws.com/awm-media/collection/RCDIG1050077/document/5637748.PDF.
2. Anon. 1917. The Times History of the War. Vol. XII. London: The Times.
3. Anon. 1982. The Tank Corps Honours and Awards 1916 – 1918. Birmingham: Midlands Medals.
4. ARCS Wounded and Missing Files. “Joseph Mathews Jefferson. AWM 1DRL/0428.” Accessed April 7 2023. https://s3-ap-southeast-2.amazonaws.com/awm-media/collection/RCDIG1049622/document/5637293.PDF.
5. Association du tank de Flesquières. ‘The Discovery of Deborah.’ Accessed April 2 2023. http://www.tank-cambrai.com/en/the-story-of-deborah/.