Spencer, Herbert, 1820-1903.

The principles of psychology / by Herbert Spencer. - [3d edition] - New York : D. Appleton, 1890. - 2 volumes ; 21 cm. - System of synthetic philosophy ; v. 4-5 . - Spencer, Herbert, 1820-1903. System of synthetic philosophy ; v. 4-5. .

The 3d ed. differs mainly by containing a new division: Part VIII.: Congruities.


Psychology.