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

Tratado de derecho politicos. by Posada, Adolfo 1860-

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

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

The Journal of political economy.

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

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

Available for UP System via Sage Premier

The state elements of historical and practical politics a sketch of institutional history and administration by Wilson, Woodrow 1856-1924

Civilization & progress by Crozier, John Beattie 1849-1921

Lectures on the early history of institutions by Maine, Sir Henry James Sumner 1822-1888

The works of the Right Honorable Edmund Burke. by Burke, Edmund 1729n-1797