‘The Nazi Spy Ring in America: Hitler’s Agents, the FBI, and the Case That Stirred the Nation, by Rhodri Jeffreys-Jones, reviewed by Adrian O’Sullivan’, H-Diplo Review Essay 334 (16 April 2021).
‘Blood, Oil, and the Axis: The Allied Resistance against a Fascist State in Iraq and the Levant, 1941, by John Broich, reviewed by Adrian O’Sullivan’, Journal of Military History 84, no. 2 (April 2020): 625-26.