See, for example, J. Wakefield, Giovanni Gentile and the State of Contemporary Constructivism (Exeter: Imprint Academic, 2015), and B. Haddock and J. Wakefield (eds.), Thought Thinking: The Philosophy of Giovanni Gentile (Exeter: Imprint Academic, 2015).
S. Leach, The Foundations of History: Collingwood’s Analysis of Historical Explanation, 2009; S. Helgeby, Action as History: The Historical Thought of R.G. Collingwood, 2004; M. Hughes-Warrington, How Good an Historian Shall I Be? R.G. Collingwood, the Historical Imagination and Education, 2004; R. Murphy, Collingwood and the Crisis of Western Civilisation: Art, Metaphysics and Dialectic, 2008; J. Connelly, Metaphysics, Method and Politics: The Political Philosophy of R.G. Collingwood, 2003.
M. Hyrkkänen, ‘All history is, more or less, intellectual history: R.G. Collingwood’s Contribution to the Theory and Methodology of Intellectual History’, Intellectual History Review, 19(2) (2009), 251–263, 257 (quoting Skinner, ‘Interpretation, Rationality and Truth’, 47).