The great betrayal (La trahison des clercs)

Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society

Modern French Philosophy: a Study of the Development Since Comte

Littérature et Philosophie mêlées

"'Tis Sixty Years Since" Address of Charles Francis Adams; Founders' Day, January 16, 1913

A Pluralistic Universe Hibbert Lectures at Manchester College on the Present Situation in Philosophy

National character

Nationalism

Philosophical Studies

Decadence Henry Sidgwick memorial lecture, 1908

Race and nationality