| Species Problem–A Philosophical Analysis RA Richards Cambridge University Press, 2010 | 292 | 2010 |
| Character individuation in phylogenetic inference R Richards Philosophy of Science 70 (2), 264-279, 2003 | 51 | 2003 |
| Biological classification RA Richards Cambridge University Press, 2016 | 50 | 2016 |
| Darwin and the inefficacy of artificial selection RA Richards Studies in History and Philosophy of Science Part A 28 (1), 75-97, 1997 | 42 | 1997 |
| Kuhnian values and cladistic parsimony R Richards Perspectives on Science 10 (1), 1-27, 2002 | 27 | 2002 |
| Species and taxonomy RA Richards | 25 | 2008 |
| A fitness model of evaluation RA Richards The Journal of aesthetics and art criticism 62 (3), 263-275, 2004 | 21 | 2004 |
| The biology of art RA Richards Elements in the Philosophy of Biology, 2019 | 16 | 2019 |
| Classification in Darwin's origin RA Richards | 16 | 2008 |
| Darwin, domestic breeding and artificial selection RA Richards Endeavour 22 (3), 106-109, 1998 | 16 | 1998 |
| Philosophical challenges in teaching evolution RA Richards Evolution: Education and Outreach 1, 158-164, 2008 | 15 | 2008 |
| Engineered niches and naturalized aesthetics RA Richards The Journal of Aesthetics and Art Criticism 75 (4), 465-477, 2017 | 10 | 2017 |
| The species problem: A conceptual problem? RA Richards The Species Problem-Ongoing Issues 41, 2013 | 10 | 2013 |
| Evolutionary naturalism and the logical structure of valuation: The other side of error theory RA Richards | 7 | 2006 |
| Naturalized Aesthetics: A Scientific Framework for the Philosophy of Art R Richards | 3 | 2022 |
| Is domestic breeding evidence for (or against) Darwinian evolution? RA Richards | 3 | 2005 |
| What Can Philosophy Contribute to Biology? R Richards The Quarterly review of biology 77 (2), 169-173, 2002 | 3 | 2002 |
| Darwin’s experimentalism RA Richards Endeavour 38 (3-4), 235-245, 2014 | 1 | 2014 |
| Functional analysis and character transformation RA Richards | 1 | 2009 |
| Are Species Real? An Essay on the Metaphysics of Species, by Matthew Slater. RA Richards Mind 124 (496), 1388-1393, 2015 | | 2015 |