Karl Marx: His Life and Environment

Karl Marx: His Life and Environment, London: Thornton Butterworth; Toronto: Nelson. 5th edition, ed. Henry Hardy, Princeton and Oxford: Princeton University Press, 2013, [1939].  

The Hedgehog and the Fox: An Essay on Tolstoy’s View of History

The Hedgehog and the Fox: An Essay on Tolstoy's View of History, London: Weidenfeld and Nicolson; New York: Simon and Schuster. Expanded version of ‘Lev Tolstoy's Historical Scepticism’, Oxford Slavonic Papers, 2, 1951: 17–54. Reprinted in Berlin 2008; 2nd edition, ed. Henry Hardy, Princeton: Princeton University Press, 2013.

The Roots of Romanticism

The Roots of Romanticism (1965), Henry Hardy (ed.), London: Chatto and Windus; Princeton: Princeton University Press; 2nd ed., Princeton: Princeton University Press, 2013 [1999].  

Russian Thinkers

Russian Thinkers. London, 1978: Hogarth Press; New York, Viking, 1978.  

Personal Impressions

Personal Impressions. London: Hogarth Press,1980; New York: Viking, 1981; 2nd edition London: Pimlico, 1998.  

“A Letter on Human Nature”

“A Letter on Human Nature” (1986), letter to Beata Polanowska-Sygulska, New York Review of Books, 23 September, 26, 2004.  

The Power of Ideas

The Power of Ideas, Henry Hardy (ed.), London: Chatto and Windus; Princeton: Princeton University Press; 2nd ed., Princeton: Princeton University Press, 2013 [2000].  

Flourishing: Letters 1928–1946

Flourishing: Letters 1928–1946, Henry Hardy (ed.), London: Chatto and Windus. Published in the USA as Letters 1928–1946, New York: Cambridge University Press. Paperback with UK title, London: Pimlico; Chicago: Trafalgar Square Publishing, 2005.