(see also Social Gospel)
On the Web: Specialized Sites
In the Library: Non-Fiction Books
Dawley, Alan. Changing the World: American Progressives in War & Revolution (Princeton NJ: Princeton U., 2003).
Johnston, Robert D. The Radical Middle Class: Populist Democracy & the Question of Capitalism in Progressive Era Portland (Princeton NJ: Princeton U., 2003).
La Follette, Robert M. The Political Philosophy of Robert La Follette, as Revealed in His Speeches & Writings  (ed. Ellen Torelle; Westport CT: Hyperion, 1975).
__________. La Follette's Autobiography: A Personal Narrative of Political Experience (Madison: U. of Wisconsin, 1960).
Thelen, David P. Robert M. La Follette & the Insurgent Spirit (Boston: Little, Brown, 1976).