[en] The Nature of Selection University of Chicago Press
[en] Did Darwin Write the Origin Backwards? Prometheus Books
[en] Did Darwin Write the Origin Backwards? · Philosophical Essays on Darwin's Theory Prometheus Books
[en] The Nature of Selection University of Chicago Press
[en] Did Darwin Write the Origin Backwards? Prometheus Books
[en] Did Darwin Write the Origin Backwards? · Philosophical Essays on Darwin's Theory Prometheus Books