| Cyberspace and Geopolitics: Assessing Global Cybersecurity Norm Processes at a Crossroads C Ruhl, D Hollis, W Hoffman, T Maurer URL: https://carnegieendowment. org, 2020 | 69 | 2020 |
| Keeping Score: A New Approach to Geopolitical Forecasting MC Horowitz, J Ciocca, L Kahn, C Ruhl https://global.upenn.edu/sites/default/files/perry-world-house/Keeping …, 2021 | 11 | 2021 |
| Why There Are No Nuclear Airplanes C Ruhl The Atlantic, 2019 | 4 | 2019 |
| Policy Roundtable: Artificial Intelligence and International Security (Introduction) MC Horowitz, L Kahn, C Ruhl Texas National Security Review, 2020 | 3 | 2020 |
| Note to Nations: Stop Hacking Hospitals C Ruhl Foreign Policy, 2020 | 2 | 2020 |
| Autonomous Weapons and Military AI C Ruhl Founders Pledge, 2022 | | 2022 |
| Nuclear Confidence Building through Cyber Norms: A Backdoor to Cooperation C Ruhl On the Horizon 4, 199-209, 2022 | | 2022 |
| How the U.S. Government Can Learn to See the Future J Ciocca, MC Horowitz, L Kahn, C Ruhl Lawfare, 2021 | | 2021 |
| Introduction: Emerging Challenges to Trans-Atlantic Nuclear Deterrence (Policy Roundtable "The Future of Transatlantic Nuclear Deterrence") C Ruhl, J Gans, M Horowitz Texas National Security Review, 2-10, 2021 | | 2021 |
| “It’s better to forget physics”: The Idea of the Tactical Nuclear Weapon in the Early Cold War CP Ruhl Physics in Perspective 22 (1), 26-51, 2020 | | 2020 |
| University of Pennsylvania Input to National Security Commission on Artificial Intelligence V authors https://drive.google.com/file/d/1L587pZsBvxssQZljjOxp9cdBvXCvel8N/view, 2020 | | 2020 |
