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Markets and Bagmen, Studies in the History of Marketing and British Industrial Performance, 1830–1939 (Ashgate, 1986) editor •
Speculators and Patriots: Essays in Business Biography (Cass, 1986) •
Business in the Age of Reason (Cass, 1987) editor with Jonathan Liebenau •
Enterprise Management and Innovation (Cass, 1988) editor with
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British Business in Asia Since 1860 (Cambridge University Press, 1989) editor with Geoffrey Jones •
The End of Insularity – Essays in Comparative Business History (Cass, 1989) editor with Geoffrey Jones •
Business in the Age of Depression & War (Cass, 1990) editor •
Capital Entrepreneurs and Profits (Cass, 1990) editor •
Sex, Death and Punishment: Attitudes To Sex & Sexuality In Britain Since The Renaissance (Collins, 1990) •
Glaxo: A History to 1962 (Cambridge University Press, 1992) with Judy Slinn •
The Macmillans (Heinemann, 1992) •
Vice: An Anthology (Hamish Hamilton, 1993) •
Auden (Heinemann, 1995) •
Gothic: Four Hundred Years of Excess, Horror, Evil and Ruin (Fourth Estate, 1998) •
The Pursuit of Oblivion: A Global History of Narcotics 1500–2000 (Weidenfeld, 2001) •
A Night at the Majestic: Proust and the Great Modernist Dinner Party of 1922 (Faber, 2006) (in USA,
Proust at the Majestic) •
Ettie: The Intimate Life and Dauntless Spirit of Lady Desborough (Weidenfeld, 2008) •
Titanic Lives: Migrants and Millionaires, Conmen and Crew (HarperCollins, 2012) •
An English Affair: Sex, Class and Power in the Age of Profumo (HarperCollins, 2013) •
Universal Man: The Seven Lives of John Maynard Keynes (Collins, 2015) •
Edward VII: The Cosmopolitan King (Penguin, 2016) •
Enemies Within: Communists, the Cambridge Spies and the Making of Modern Britain (HarperCollins, 2018) •
Hugh Trevor-Roper, Letters from Oxford: to Bernard Berenson (Weidenfeld, 2006) editor •
Hugh Trevor-Roper, Wartime Journals (I. B. Tauris, 2012). editor •
One Hundred Letters from Hugh Trevor-Roper (Oxford University Press, 2014). editor with
Adam Sisman •
John Meade Falkner: Abnormal Romantic (Roxburghe Club, 2018). •
Hugh Trevor-Roper, China Journals: Ideology and Intrigue in the 1960s (Bloomsbury, 2020). editor •
Conservative Thinkers from All Souls College, Oxford (The Boydell Press, 2022) •
Picture Perfect: An Anthology of Poetry and Prose (Mount Orleans Press, 2023) •
History in the House: Some Remarkable Dons, and the Teaching of Politics Character and Statecraft (Collins, 2024) ==References==