The philosophy of religion; lectures written for the Elliott lectureship at the Western theological seminary, Pittsburgh, Penna., U. S. A., 1916,

Mode of access: Internet.

Comte's philosophy of the sciences: being an exposition of the principles of the Cours de philosophie positive /

Preface dated 1853.

A short method with modern doubt. A centenary contribution. In three parts: 1. Jesus His own proof. II. The laws of nature. III. Correspondence with Spinoza.

Mode of access: Internet.

The Growing world; or, Progress of civilization, and the wonders of nature, science, literature and art, interspersed with a useful and entertaining collection of miscellany

Mode of access: Internet.

The philosophy of English poetry.

Mode of access: Internet.

The philosophy of mathematics.

Bibliography: p. 261-282.

A philosophy of mathematics.

"Based upon courses in philosophy of mathematics given at the University of North Carolina."

Of the law of nature and nations. Eight books.

Mode of access: Internet.

The forces of nature: a popular introduction to the study of physical phenomena,

Translation of Les phenomènes de la physique.

Wit and humor of the age : comprising wit, humor, pathos, ridicule, satires, dialects, puns, conundrums, riddles, charades, jokes and magic by Mark Twain ... [et al.] ; with the philosophy of wit and humor /

Mode of access: Internet.

Outlines of the philosophy of religion; dictated portions of the lectures.

Mode of access: Internet.

Philosophy of theism, being the Gifford lectures delivered before the University of Edinburgh in 1895-96, second series,

Mode of access: Internet.

Psychology; a class manual in the philosophy of organic and rational life,

Mode of access: Internet.

History of the philosophy of mind: embracing the opinions of all writers on mental sciences from the earliest period to the present time.

Mode of access: Internet.

Our human rights according to the laws of nature; progressive theories on law and government,

Mode of access: Internet.