Marx, Karl. Capital: A Critique of Political Economy. Vol. 1. Translated by Ben Fowkes. London: Penguin Books, 1990. ———. Capital: A Critique of Political Economy. Vol. 2. Translated by David Fernbach. London: Penguin Books, 1992. ———. Capital: A Critique of Political Economy. Vol. 3. Translated by David Fernbach. London: Penguin Books, 1992.
Books
The Marx-Engels Reader
Marx, Karl. The Marx-Engels Reader. 2nd ed. Edited by Robert C. Tucker. New York: W. W. Norton, 1978.
The Eighteenth Brumaire of Louis Bonaparte (1852)
Marx, Karl. The Eighteenth Brumaire of Louis Bonaparte. Marxists.org.
Theses on Feuerbach (1845)
Marx, Karl. Theses on Feuerbach. Marxists.org.
On the Jewish Question (1844)
Marx, Karl. On the Jewish Question. Marxists.org.
Critique of the Gotha Program (1875)
Marx, Karl. Critique of the Gotha Program. Marxists.org.
Contribution to the Critique of Hegel’s Philosophy of Right (1843)
Marx, Karl. Contribution to the Critique of Hegel's Philosophy of Right. Marxists.org.
The Communist Manifesto: With Seven Rare Prefaces (1848)
Marx, Karl. The Communist Manifesto: With Seven Rare Prefaces. Samuel Moore, trans. World Library Classics, 2009.
Collected Works (Standard English Scholarly Edition)
Marx, Karl, and Friedrich Engels. Collected Works. 50 volumes. Richard Dixon et al., trans. London: Lawrence & Wishart, 1975-2004.
Marx on Religion
Marx, Karl. Marx on Religion. John Raines, ed. Philadelphia: Temple University Press, 2002.