Essays in radical empiricism [and] A pluralistic universe.

Reprint of the 1943 ed.

The influence of Darwin on philosophy, and other essays in contemporary thought,

Mostly reprinted from various sources.

Imperfect Creatures : Vermin, Literature, and the Sciences of Life, 1550-1750 /

Plagues of pests have always been a part of recorded history, but they hold special significance in the early modern period. 'Imperfect Creatures' is the first full-length study to investigate the shifting, unstable, but foundational status of “vermin” as creatures and category in the early modern literary and scientific imagination.

Philosophy and psychology pamphlets

A collection of miscellaneous pamphlets.