James Farr has published some sixty-five articles or chapters on Hobbes, Locke, Hume, Marx, Lieber, Dewey, Lasswell and Popper, as well as on conceptual change and on social capital. He is the coeditor of six books, including The General Will: The History of a Concept (Cambridge, 2015) and The Cambridge Companion to the Communist Manifesto (Cambridge, 2015). He is currently completing a series of essays on John Locke and the new world and another series on the history of American political science, emphasizing method, civic education, and the state.