- Lectures on the Philosophy of Law: Together with Whewell and Hegel, and Hegel and Mr. W.R. Smith: A Vindication in a Physico-Mathematical Regard
- On Protoplasm: Being An Examination Of Dr. James Hutchinson Stirling's Criticism Of Professor Huxley's Views
- The Secret of Hegel: Being the Hegelian System in Origin, Principle, Form and Matter (British studies relating to Hegel)
- Jerrold, Tennyson and Macaulay, with other critical essays
- Darwinianism: Workmen And Work