- Arab Revolutions and Beyond
- Arab Spring, Libyan Winter
- Arab-Iranian Rivalry in the Persian Gulf
- Arabia Saudita - Tratados Internacionales con México
- Arafat's War
- Arc of Containment
- Architects of Delusion
- Architecture on the Borderline
- Arctic Environmental Cooperation
- Arctic Governance in a Changing World
- Arctic Governance: Volume 2
- Arctique : une exploration stratégique
- Are Muslims Distinctive?
- Argentina - Brasil
- Argentina el mundo es tuyo
- Argentina-Brasil
- Argentine Foreign Policy during the Military Dictatorship, 1976–1983
- Arguing about Alliances
- Arguing Counterterrorism
- Ark of the Liberties
- Armed Conflict Survey 2019
- Armed Conflict Survey 2020
- Armed Conflict Survey 2021
- Armed Conflicts in South Asia 2008
- Armed Conflicts in South Asia 2009
- Armed Conflicts in South Asia 2012
- Armed Conflicts in South Asia 2013
- Armed Groups and International Legitimacy
- Armed Guests
- Armed Non-State Actors in International Relations
- Armed Servants
- Armes nucléaires américaines en europe
- Armi di migrazione di massa
- Armies of Sand
- Arming East Russia
- Arms Control
- Arms Control and European Security: Major Essays on the Conventional Forces in Europe (CFE) Treaty, ...
- Arms Control and Iranian Foreign Policy
- Arms Control In Transition
- Arms in Academia
- Arms Production In Japan
- Arms Transfers under Nixon
- Army Diplomacy
- Around the Cragged Hill: A Personal and Political Philosophy
- Around the World in 30 Years
- Arrows of the Night
- Article by Article
- Artificial Intelligence and Digital Diplomacy
- Aruba - Tratados Internacionales con México
- As guerras de vingança e as relações internacionais
- Ascesa e declino delle grandi potenze
- ASEAN : 50 ans d'une expérience singulière
- ASEAN and Power in International Relations
- ASEAN and Regional Order
- ASEAN Matters!
- ASEAN's Half Century
- Asean-eu Partnership: The Untold Story
- Asia and Europe in the 21st Century
- Asia and the Drafting of the Universal Declaration of Human Rights
- Asia's Cauldron
- Asia's Environmental Movements in Comparative Perspective
- Asia's New Multilateralism
- Asia's Reckoning
- Asia's Regional Architecture
- Asia's Space Race
- Asia-Pacific Regional Security Assessment 2020
- Asian Designs
- Asian Foreign Policy in a Changing Arctic
- Asian Tradition and Cosmopolitan Politics
- Asiatischer Regionalismus im 21. Jahrhundert
- Assedio
- Assessing China's Naval Power
- Assessing Maritime Power in the Asia-Pacific
- Assessing the Left Turn in Ecuador
- Asylum after Empire
- Asymmetrical Neighbors
- Asylum after Empire
- Asymmetrical Neighbors
- Así empieza todo
- At Europe's Edge
- At Home and Abroad
- At Home with the Diplomats
- At War with Ourselves
- Atlante Geopolitico del Mediterraneo 2019
- Atomic Assurance
- Atone
- Attacco all'Europa
- Au service du Roi Catholique
- Au-dessus de la mêlée (L'édition intégrale)
- Auf See
- Aus Feinden Freunde machen
- Ausgewählte politische Beiträge
- Australia and Africa
- Australia and China at 40
- Australia and France’s Mutual Empowerment
- Australia and the Wider World
- Australia and the World
- Australia as an Asia-Pacific Regional Power
- Australia Faces Southeast Asia
- Australian Public Opinion, Defence and Foreign Policy
- Australian Security After 9/11
- Australian Services Trade in the Global Economy
- Auswärtige Kulturpolitik in Spanien und Deutschland
- Authoritarian Elections and Opposition Groups in the Arab World
- Authoritarian Regionalism in the World of International Organizations
- Authoritarianism, Fascism, and National Populism
- Authority to Order the Use of Nuclear Weapons: President and the Military Command and Control System...
- Authority, Ascendancy, and Supremacy
- Autonomy and Negotiation in Foreign Policy
- Autonomy of Migration?
- Avec ou sans l'Europe
- Avoiding the ‘Thucydides Trap’
- Awkward Powers: Escaping Traditional Great and Middle Power Theory