On the Study of Zoology

Evolution of Theology: an Anthropological Study

Discourses / Biological and Geological Essays

Science & Education

Evolution and Ethics

Aphorisms and Reflections from the works of T. H. Huxley

The Advance of Science in the Last Half-Century

The Interpreters of Genesis and the Interpreters of Nature

American Addresses, with a Lecture on the Study of Biology

Yeast

Lectures on Evolution