This is, of course, not my field, but the following are things that either I found interesting or that look interesting.

Baumer, Franklin. Modern European Thought: Continuity and Change in Ideas, 1600-1950. NY. Macmillan, 1977. [HR, N7] 

Berlin, Isaiah. Against the Current. 

_____. The Crooked Timber of Humanity. 

_____ . Four Essays on Liberty. 

_____. The Hedgehog and the Fox  [R - a great book!]

_____ . Karl Marx.

_____. The Magus of the North.

_____. Russian Thinkers.

_____. The Sense of Reality: Studies in Ideas and their History. NY: Farrar, Straus and Giroux, 1996. [R, N7]

_____. Vico & Herder: Two Studies in the History of Ideas. NY: Viking, 1976. [HR, N7] 

Bronowski, J. Magic, Science & Civilization. NY: Columbia UP, 1978. [HR, N7] 

Durant, Will & Ariel. The Lessons of History. NY: Simon & Schuster, 1968. [HR, N7] 

Gasset, Jose Ortega. History as a System and Other Essays toward a Philosophy of History. NY: Norton, 1961. [HR, N7] 

Horton, Rod W. & Vincent Hopper. Backgrounds of European Litearature: The Political, Social, and Intellectual Development behind the Great Books of Western Civilization, 2nd ed. Prentice-Hall, 1975. [HR, N7] 

Huizinga, Johan. Men & Ideas: History, the Middle Ages, the Renaissance. NY: Meridian, 1959. [HR, N7] 

Kirchner, Walther. Western Civilization Since 1500. NY: Barnes & Noble, 1966. [HR, N7] 

Lefebvre, Georges. The Coming of the French Revolution, 1789. Trans. R.R. Palmer. NY: Vintage, 1947. [HR, N7] 

Hussey, J.M. The Byzantine World. NY: Harper Torchbooks, 1961. [HR, N7] 

Mosse, W.E. Alexander II and the Modernization of Russia. NY: Collier, 1962. [HR, N7] 

Trotsky, Leon. The Russian Revolution. (Selected & Edited by F.W. Dupre) Anchor, 1932. [HR, N7]