| Downloads | Title | Author(s) | Date | Reference |
    | Turtle hunting and tombstone opening - Public generosity as costly signaling | E. A. Smith & R. Bird | 1999-12-30 | Elsevier Evolution and Human Behavior 21, pp.245-261 |
    | I wanted to show how niceness evolves | David Wilson | 2003-07-24 |  |
   | Population Viscosity Evolves Altruism | Joshua Mitteldorf & David Wilson | 2000-01-10 | Academic Press Journal of Theoretic Biology 204, pp.481-496 |
    | Kooperation und soziale verhältnisse - Evolution der Kooperation, erleuchteter Egoismus / indirekter reziproker der Altruismus | Unknown |  |  |
    | Varieties of altruism - and the common ground between them | Nicholas Humphrey |  | New York Department of Psychology, New School for Social Research |
    | Heterogeneity Stabilizes Reciprocal Altruism Interactions | Micheal Fishman, Arnom Lotem & Lewi Stone | 2000-12-09 | Academic Press Journal of Theoretical Biology 209, pp.87-95 |
    | Costly Signaling and Cooperation | Smith, Bowles & Gintis | 2000-11-14 |  |
    | Evolution of Indirect Reciprocity by Image Scoring - The Dynamics of Indirect Reciprocity | Martin A. Nowak & Karl Sigmund | 1998 May | International Institute for Applied Systems Analysis |
   | From Reciprocity to Unconditional Altruism Through Signalling Benefits | Lotem, Fishman & Stone | 2002-12-10 | Proceedings of The Royal Society London 270, pp.199-205 |
    | Evolutionary Perspectives on Other Regard | Jeffrey Schloss |  | Institute for Research on Unlimited Love Altruism, Compassion, Service |
   | Sex causes altruism. Altruism causes sex. Maybe | Joel Peck | 2004-04-08 | The Royal Society, London Proceedings of The Royal Society London 271, pp.993-1000 |
   | A Mechanism for the Evolution of Altruism Among Non-kin - Positive Assortment Through Environmental Feedback | B.B. Smuts & J.W. Pepper |  |  |
    | Racism and xenophobia linked to biological fear of outsiders in Stone Age | Steve Connor | 2004-03-18 | The Independent |
    | Biological Altruism | Samir Okasha | 2003-06-03 | Edward N. Zalta (ed.) Stanford Encyclopedia of Philosophy |
    | Sex Differences In Altruism | Stephen Van Hook | 1985-05-30 |  |
    | Siblings, Strangers and the Surge of Altruism | Oded Stark | 1999 Nov | Economics Letters 65 (Issue 2), pp.135-142 |
   | The Nature of Human Altruism | Ernst Fehr & Urst Fischbacher | 2003-09-23 | Nature 425
791, pp.785-791 |
    | Evolution and altruism - Combining psychological mediators with naturally selected tendencies | Daniel J. Kruger | 2002-11-13 | Elsevier Evolution and Human Behavior 24, pp.118-125 |
    | Kind and Considerate | Emma Young | 2001-06-18 | New Scientist |
   | Fair Punishment supports Human Altruism | James Randerson | 2003-03-12 | New Scientist |
    | Charity begins at Homo sapiens | Mark Buchanan | 2005-03-12 |  |
   | Altruistic Punishment and The Origin Of Cooperation | James Fowler | 2005-05-10 |  |
   | Explaining altruistic behavior in humans | Herbert Gintis, Samuel Bowles, Robert Boyd & Ernst Fehr | 2003 | Evolution and Human Behavior , p.153–172 |
   | Reciprocal altruism and group formation | Evelien Zeggelin, Henk de Vos & Donald Elsas | 2000-06-30 | Journal of Artificial Societies and Social Simulation 3 (Issue 3) |
   | Strong altruism can evolve in randomly formed groups | Jeffrey Fletcher & Martin Zwick | 2004 | Elsevier Journal of Theoretical Biology 228, pp.303-313 |
   | The Evolution of Altruism Between Siblings | Robert Rowthorn |  |  |
   | Altruism and Darwinian Rationality | Howard Margolis | 2002-10-29 | Working Paper Series 02 (Issue 11) |
   | Is Altruism Encoded in Our Genes | William Orem | 2006-07-04 | Science & Theology News |
   | Altruism Of Cleaner Fish | Unknown | 2006-06-22 | University of Queensland, Australia |
   | Strong Reciprocity, Human Cooperation and the Enforcement of Social Norms | Ernst Fehr, Urs Fischbacher & Simon Gächter | 2002 | Human Nature , pp.1-25 |
   | Strong Reciprocity May Evolve With or Without Group Selection | Samuel Bowles, Ernst Fehr & Herbert Gintis | 2003-12-10 |  |
   | Strong Reciprocity and Human Sociality | Herbert Gintis | 2000-05-10 |  |
   | The Evolution of Compassion | Dacher Keltner | 2004-05-14 |  |
   | Selfish genes make humans selfless | Diane Swanbrow | 2006 Sep | The University Record, Ann Arbor, Michigan, US |
   | Is prospective altruist-detection an evolved solution to the adaptive problem of subtle cheating in cooperative ventures? - Supportive evidence using the Wason selection task | William Brown & Chris Moore | 1999-07-08 | Elsevier Evolution and Human Behavior 21 (Issue 2000), pp.25-37 |
   | P2P and Human Evolution - Peer to peer as the premise of a new mode of civilization | Michel Bauwens | 2005-03-01 | Foundation for P2P Alternative |
   | Why Evolution Drives Some Cells to Altruism | | 2006-10-02 | PhysOrg.com |
   | 'Nature' Paper Refigures the Evolution of Altruism | | 2010-02-26 | Physorg.com |