| Ignorance: A case for scepticism P Unger OUP Oxford, 1978 | 1530 | 1978 |
| Living high and letting die: Our illusion of innocence PK Unger Oxford University Press, USA, 1996 | 1513 | 1996 |
| There are no ordinary things P Unger Vagueness, 3-40, 2017 | 477 | 2017 |
| Identity, consciousness and value P Unger Oxford University Press, 1990 | 465 | 1990 |
| The problem of the many P Unger Midwest studies in philosophy 5 (1), 411-468, 1980 | 463 | 1980 |
| An analysis of factual knowledge P Unger The Journal of Philosophy, 157-170, 1968 | 381 | 1968 |
| Philosophical relativity PK Unger Oxford University Press, USA, 2002 | 332 | 2002 |
| A defense of skepticism P Unger The Philosophical Review 80 (2), 198-219, 1971 | 250 | 1971 |
| I do not exist P Unger Perception and identity: Essays presented to AJ Ayer with his replies to …, 1979 | 241 | 1979 |
| All the Power in the World P Unger Oxford University Press, 2005 | 180 | 2005 |
| Why there are no people P Unger Midwest Studies in Philosophy 4 (1), 177-222, 1979 | 164 | 1979 |
| Semantics And Philosophy: Essays P Unger, M Munitz New York University Press, 1974 | 130 | 1974 |
| Empty ideas: A critique of analytic philosophy P Unger Oxford University Press, 2014 | 99 | 2014 |
| The cone model of knowledge P Unger Philosophical Topics 14 (1), 125-178, 1986 | 88 | 1986 |
| The mental problems of the many P Unger, D Zimmerman Oxford studies in metaphysics 1, 195-222, 2004 | 66 | 2004 |
| The causal theory of reference P Unger Philosophical Studies: An International Journal for Philosophy in the …, 1983 | 57 | 1983 |
| Contextual analysis in ethics P Unger Philosophy and Phenomenological Research 55 (1), 1-26, 1995 | 56 | 1995 |
| The survival of the sentient P Unger Philosophical perspectives 14, 325-348, 2000 | 48 | 2000 |
| Skepticism and nihilism P Unger Nous, 517-545, 1980 | 47 | 1980 |
| Experience and factual knowledge P Unger The Journal of Philosophy 64 (5), 152-173, 1967 | 45 | 1967 |
