1. A portrait of the young Karl as a student

2. A portrait of the young Jenny von Westphalen

3. Karl Marx as editor of the Rheinische Zeitung (1842–3)

4. Heine in Paris with Jenny and Karl, c. 1844

5. Eleanor ‘Tussy’ Marx in 1873 at the age of 18, in pre-Raphaelite pose

6. Jenny and Laura Marx, c. 1865

7. Karl and Jenny, c. 1850s

8. Helene Demuth, maid in the Marx family and mother of Freddy, in old age

9. Friedrich Engels in 1870

10. Moses Hess in 1847

11. Mikhail Bakunin

12. Pierre Joseph Proudhon

13. Andreas Gottschalk – a portrait by Wilhelm Kleinenbroich, 1849

14. Ferdinand Lassalle, c. 1860

15. Dr Eduard Gumpert, Karl’s physician in Manchester

16. Wilhelm Wolff, friend and associate of Marx and Engels

17. A view of Trier in the nineteenth century

18. The title page of the Deutsch-Französische Jahrbücher, first edition, Paris, 1844

19. The bodies of those killed during street fighting in February 1848 are paraded by torchlight through the streets of Paris

20. A Session of the Commission des travailleurs in spring 1848, at the Palais de Luxembourg, Paris

21. The barricade at Cologne Town Hall, 19 March 1848

22. The scene in the courtyard of the royal palace in Berlin in March 1848 as the corpses from the street battle are presented to Friedrich Wilhelm IV, King of Prussia

23. The Chartist meeting on Kennington Common, 10 April 1848

24. The masthead of the first edition of the Neue Rheinische Zeitung, 1 June 1848

25. The barricade in the rue Saint-Maur-Popincourt after the attack by General Lamoricière’s troops, Monday 26 June 1848

26. Insurgents in custody in Paris, July/August 1848

27. The opening of the International Exhibition in South Kensington, London, in 1862

28. Ramsgate Sands (Life at the Seaside), by William Powell Frith, 1851–4

29. Civil War by Edouard Manet, 1871

30. A poster from the Chinese Cultural Revolution of 1971 celebrating the centenary of the Paris Commune of 1871