Richardson 1987, p. 67. Richardson, Charles (1987). Send for Freddie: Story of Montgomery's Chief of Staff Major-General Sir Francis De Guingand. London: Kimber. ISBN978-0-7183-0641-0. OCLC17622096.
De Guingand 1947, pp. 127, 130–133. De Guingand, Francis (1947). Operation Victory. New York: Charles Scribner's Sons. OCLC503437701.
Mead 2015, p. 47. Mead, Richard (2015). The Men Behind Monty: The Staff and HQS of Eighth Army and 21st Army Group. Barnesley: Pen & Sword. ISBN978-147382-716-5. OCLC913467827.
Mead 2015, pp. 81–82. Mead, Richard (2015). The Men Behind Monty: The Staff and HQS of Eighth Army and 21st Army Group. Barnesley: Pen & Sword. ISBN978-147382-716-5. OCLC913467827.
Mead 2015, p. 98. Mead, Richard (2015). The Men Behind Monty: The Staff and HQS of Eighth Army and 21st Army Group. Barnesley: Pen & Sword. ISBN978-147382-716-5. OCLC913467827.
Mead 2015, p. 105. Mead, Richard (2015). The Men Behind Monty: The Staff and HQS of Eighth Army and 21st Army Group. Barnesley: Pen & Sword. ISBN978-147382-716-5. OCLC913467827.
Mead 2015, pp. 134–135. Mead, Richard (2015). The Men Behind Monty: The Staff and HQS of Eighth Army and 21st Army Group. Barnesley: Pen & Sword. ISBN978-147382-716-5. OCLC913467827.
Mead 2015, pp. 163–164. Mead, Richard (2015). The Men Behind Monty: The Staff and HQS of Eighth Army and 21st Army Group. Barnesley: Pen & Sword. ISBN978-147382-716-5. OCLC913467827.