John Locke, Two Treatises of Government (Oxford: Oxford University Press; Clarendon Edition of the Works of John Locke).
David Hume, Dialogues Concerning Natural Religion and Other Philosophical Manuscripts (Oxford: Oxford University Press; Clarendon Edition of the Works of David Hume).
David Hume, Occasional Writings and Unpublished Manuscripts (Oxford: Oxford University Press; Clarendon Edition of the Works of David Hume).
(ed. with Max Skjönsberg) Hume’s Essays: A Critical Guide (Cambridge: Cambridge University Press; Cambridge Critical Guides).
After Vico: Philosophy, Politics, and the Enlightenment in Naples, 1668-1799 (Cambridge: Cambridge University Press; Ideas in Context, in preparation).
Further Letters of David Hume (Edinburgh: Edinburgh Bibliographical Society, 2014), ix + pp. 315.
'Two lost items of Humeana', The Library, forthcoming.
'Further additions to The Library of John Locke', Bodleian Library Record, forthcoming.
'Giambattista Vico, Eugene of Savoy, and Hugo Grotius’s De Jure Belli ac Pacis, 1719', Journal of the Warburg and Courtauld Institutes, forthcoming (2021).
'New manuscript fragments by John Locke', Notes and Queries, forthcoming (2021).
'John Locke as a reader of Thomas Hobbes's Leviathan: a new manuscript', Journal of Modern History, 93 (2021), pp. 1-38.
'Natural law and the Chair of Ethics in the University of Naples, 1703-1769', Modern Intellectual History, forthcoming in print.
'Slavery and absolutism in Locke’s Two Treatises: a response to Olsthoorn and Van Apeldoorn', Locke Studies, 21 (2021), pp. 1-9.
'Adam Smith on David Hume’s Dialogues Concerning Natural Religion: an unnoticed fragment', Scottish Historical Review, 100 (2021), pp. 138-50.
'David Hume in Chicago: a twentieth-century hoax', Journal of British Studies, 59 (2020), pp. 793-820.
(with J. C. Walmsley) 'John Locke and the toleration of Catholics: a new manuscript', Historical Journal, 62 (2019), pp. 1093-1115, co-authored summary in Times Literary Supplement.
News coverage in The Wall Street Journal, The Guardian, The Observer, The Washington Post, The Baltimore Sun, Forbes, Smithsonian Magazine, Publico, France Culture, Il Foglio, Capital Gazette (Annapolis), Daily Nous, National Review, Spiked.
'Additions and corrections to Hight's Correspondence of George Berkeley', Proceedings of the Royal Irish Academy, 119C (2019), pp. 229-58.
'Additions to Further Letters of David Hume', Hume Studies, 44 (2018), pp. 1-43.
'An unpublished letter from Herbert of Cherbury to Grotius on the Expeditio in Ream Insulam: commentary, text, and translation', Grotiana, 39 (2018), pp. 1-14.
'David Hume, Adam Smith, and William Hamilton of Bangour: a misattribution', Notes and Queries, 65 (2018), pp. 304-6.
‘Additions to de Beer’s Correspondence of John Locke’, Locke Studies, 15 (2015), pp. 31-52.
‘Locke, Horace, and a syllabus errorum’, Locke Studies, 15 (2015), pp. 3-29.
‘John Locke and a René Descartes epitaph’, Notes and Queries, 62 (2015), pp. 260-3.
‘The Library of John Locke: additions, corrigenda, and a conspectus of pressmarks’, Bodleian Library Record, 26 (2013), pp. 36-58.
Hume's Thought and Hume's Circle, special issue of History of European Ideas, forthcoming.