Wilhelm Humboldt, The Sphere and Duties of Government (1792, 1854)
Source
Author: Wilhelm von Humboldt (1767-1835)
Wilhelm von Humboldt, The Sphere and Duties of Government. Translated from the German of Baron Wilhelm von Humboldt, By Joseph Coulthard, Jun. (London: John Chapman, MDCCCLIV (1854)). See the original German language edition.