| War and peace in international rivalry P Diehl, G Goertz University of Michigan Press, 2001 | 1006 | 2001 |
| International peacekeeping PF Diehl Johns Hopkins University Press, 1993 | 852 | 1993 |
| The correlates of war (cow) project direct contiguity data, version 3.0 DM Stinnett, J Tir, PF Diehl, P Schafer, C Gochman Conflict Management and Peace Science 19 (2), 59-67, 2002 | 793 | 2002 |
| Territorial changes and international conflict P Diehl, G Goertz Routledge, 2002 | 662 | 2002 |
| Enduring rivalries: Theoretical constructs and empirical patterns G Goertz, PF Diehl International studies quarterly 37 (2), 147-171, 1993 | 571 | 1993 |
| The new UN peacekeeping: Building peace in lands of conflict after the cold war SR Ratner, PF Diehl St. Martin's Press, 1995 | 529 | 1995 |
| The new rivalry dataset: Procedures and patterns JP Klein, G Goertz, PF Diehl Journal of Peace Research 43 (3), 331-348, 2006 | 476 | 2006 |
| The politics of global governance: international organizations in an interdependent world PF Diehl, B Frederking Lynne Rienner Publishers, 2001 | 424 | 2001 |
| Peace operations PF Diehl, A Balas John Wiley & Sons, 2014 | 363 | 2014 |
| The initiation and termination of enduring rivalries: The impact of political shocks G Goertz, PF Diehl American Journal of Political Science, 30-52, 1995 | 350 | 1995 |
| Toward a theory of international norms: Some conceptual and measurement issues G Goertz, PF Diehl Journal of Conflict Resolution 36 (4), 634-664, 1992 | 327 | 1992 |
| What are they fighting for? The importance of issues in international conflict research PF Diehl Journal of Peace Research 29 (3), 333-344, 1992 | 323 | 1992 |
| Evaluating peace operations PF Diehl, D Druckman | 284 | 2014 |
| The puzzle of peace: The evolution of peace in the international system G Goertz, PF Diehl, A Balas Oxford University Press, 2016 | 283 | 2016 |
| The empirical importance of enduring rivalries G Goertz, PF Diehl International Interactions 18 (2), 151-163, 1992 | 277 | 1992 |
| United Nations intervention and recurring conflict PF Diehl, J Reifschneider, PR Hensel International Organization 50 (4), 683-700, 1996 | 276 | 1996 |
| Geography and war: A review and assessment of the empirical literature PF Diehl International Interactions 17 (1), 11-27, 1991 | 274 | 1991 |
| Contiguity and military escalation in major power rivalries, 1816-1980 PF Diehl The Journal of Politics 47 (4), 1203-1211, 1985 | 272 | 1985 |
| International mediation JM Greig, PF Diehl Polity, 2012 | 261 | 2012 |
| Environmental conflict: An anthology P Diehl, NP Gleditsch Routledge, 2018 | 229 | 2018 |
