Natural rights a criticism of some political and ethical conceptions por Ritchie, David George 1853-1903

Tratado de derecho politicos. por Posada, Adolfo 1860-

The state. Elements of historical and practical politics. A sketch of institutional history and administration por Wilson, Woodrow, pres. U. S. 1856-1924

Burke, select works por Burke, Edmund 1729n-1797

Homilies of science por Carus, Paul 1852-1919

The Journal of political economy.

Available for University of the Philippines - Diliman via JSTOR. Click here to access

Public libraries a history of the movement and a manual for the organization and management of rate-supported libraries por Greenwood, Thomas

The ANNALS of the American Academy of Political and Social Science.

Available for UP System via Sage Premier

Iowa Academy of Science.

Shall we teach geology? a discussion of the proper place of geology in modern education. por Winchell, Alexander