On the Advisableness of Improving Natural Knowledge

The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology)

Science and Morals and Other Essays

The World's Greatest Books — Volume 15 — Science

More Science from an Easy Chair

The reason why

The Old Humanities and the New Science

Curiosities of Science, Past and Present A Book for Old and Young

The Poetry of Science; or, Studies of the Physical Phenomena of Nature

A Modern Zoroastrian

Icarus

Classics of modern science