| Praktische Argumentationstheorie: Theoretische Grundlagen, praktische Begründung und Regeln wichtiger Argumentationsarten C Lumer Vieweg / Springer-Verlag, 1990 | 146* | 1990 |
| The Epistemological Theory of Argument--How and Why? C Lumer Informal logic 25 (3), 2005 | 94 | 2005 |
| Rationaler Altruismus: Eine prudentielle Theorie der Rationalität und des Altruismus C Lumer Rationaler Altruismus, 675, 2009 | 64* | 2009 |
| Introduction: The epistemological approach to argumentation--A map C Lumer Informal Logic 25 (3), 2005 | 58 | 2005 |
| The Greenhouse: A Welfare Assessment and Some Morals C Lumer University Press of America, 2002 | 47 | 2002 |
| Pragma-dialectics and the function of argumentation C Lumer Argumentation 24, 41-69, 2010 | 45 | 2010 |
| Habermas' Diskursethik C Lumer Zeitschrift für philosophische Forschung, 42-64, 1997 | 44 | 1997 |
| Argument schemes—an epistemological approach C Lumer Argumentation. Cognition and Community. Proceedings of the 9th International …, 2011 | 40 | 2011 |
| Reductionism in fallacy theory C Lumer Argumentation 14 (4), 405-423, 2000 | 39 | 2000 |
| Rules and moral norms in sports C Lumer International Review for the Sociology of Sport 30 (3-4), 263-280, 1995 | 38 | 1995 |
| Structure and function of argumentations. An epistemological approach to determining criteria for the validity and adequacy of argumentations C Lumer Proceedings of the Second International Conference on Argumentation 1, 98-107, 1991 | 35 | 1991 |
| The disputation—a special type of cooperative argumentative dialogue C Lumer Argumentation 2, 441-464, 1988 | 29 | 1988 |
| Intentions are optimality beliefs–But optimizing what? C Lumer Erkenntnis 62 (2), 235-262, 2005 | 28 | 2005 |
| Motive zu moralischem Handeln C Lumer Analyse & Kritik 24 (2), 163-188, 2002 | 26 | 2002 |
| Handlung/Handlungstheorie C Lumer Enzyklopädie Philosophie 1, 967-980, 2010 | 23 | 2010 |
| The content of originally intrinsic desires and of intrinsic motivation C Lumer Acta analyticaphilosophy and psychology 18, 107-121, 1997 | 22 | 1997 |
| Gerechtigkeit C Lumer Hans Jörg Sandkühler/Detlev Pätzold (Hg.), Enzyklopädie Philosophie. Hamburg …, 1999 | 21 | 1999 |
| Interpreting arguments C Lumer Proceedings of the Fifth International Conference of the International …, 2003 | 20 | 2003 |
| Which preferences shall be the basis of rational decision C Lumer Preferences. Berlin; New York: de Gruyter 1998, 33-56, 1998 | 20 | 1998 |
| Practical arguments for theoretical theses C Lumer Argumentation 11 (3), 329, 1997 | 20 | 1997 |
