Studies in the theory of human society,

Mode of access: Internet.

Outlines of psychology, with special reference to the theory of education. A text-book for colleges.

References at end of chapters.

Hartley's theory of the human mind, on the principle of the association of ideas; with essays relating to the subject of it.

Mode of access: Internet.

The educational theory of Immanuel Kant;

Series title also at head t.-p.

A theory of interest,

Mode of access: Internet.

The foundations of Einstein's theory of gravitation /

Mode of access: Internet.

The theory of morals /

Includes bibliographical references.

The theory of mind as pure act,

Mode of access: Internet.

Theory of functions of a complex variable /

Mode of access: Internet.

The theory of thought. A treatise on deductive logic ...

Mode of access: Internet.

The theory of errors and method of least squares,

Mode of access: Internet.

The theory of music. As applied to the teaching and practice of voice and instruments.

Mode of access: Internet.

Darwinism; an exposition of the theory of natural selection, with some of its applications.

Mode of access: Internet.

Schopenhauer's criticism of Kant's theory of experience.

Mode of access: Internet.

The theory of the modern scientific game of whist.

Mode of access: Internet.