On Mr. Spencer's Data of ethics
On Mr. Spencer's Formula of Evolution as an Exhaustive Statement of the .
On Mr. Spencer's Formula of Evolution
On Mr. Spencer's formula of evolution as an exhaustive statement of the changes of the universe, followed by A resume of the most important criticisms of Spencer's First principles
On Mr. Spencer's formula of evolution as an exhaustive statement of the changes of the universe
On Mr. Spencer's unification of knowledge
The Causational and Free Will Theories of Volition: Being a Review of Dr. Carpenter's "Mental .