Selected books:
- The New Liberalism: An Ideology of Social Reform (Oxford, 1978)
- Liberalism Divided: A Study in British Political Thought 1914-1939 (Oxford, 1986)
- J.A. Hobson: A Reader (London, 1988)
- Reappraising J.A. Hobson: Humanism and Welfare (ed.) (London, 1990)
- Rights (Buckingham, 1991)
- Ideologies and Political Theory: A Conceptual Approach (Oxford, 1996)
- Reassessing Political Ideologies: The Durability of Dissent (ed.) (London, 2001)
- Ideology: A Very Short Introduction (Oxford, 2003)
- Liberal Languages: Ideological Imaginations and Twentieth Century Progressive Thought (Princeton, 2005)
- Taking Ideology Seriously: 21st Century Reconfigurations (co-editor with G. Talshir and M. Humphrey) (London, 2006)
- The Oxford Handbook of Political Ideologies (co-editor with M. Stears i Sargent) (Oxford 2012)
- The Political Theory of Political Thinking. The Anatomy of Practice (Oxford, 2013)