Conducts research and collects data on the global history of labour, workers, and labour relations

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Ter gelegenheid van de 150ste geboortedag van de dichter en politicus Pieter Jelles Troelstra (1860-1930) heeft het IISG een digitaal documentatie centrum geopend. Hier kan de gebruiker gemakkelijk... [Collection guide]
Anton Pannekoek was born in 1873 to average middle-class parents, but he became a prominent astronomer and Marxist theoretician.Jan Martinus Smit, his physics and astronomy teacher at secondary... [Collection highlight]
For many years, Angelica Balabanova (c. 1878-1965) played a key role in the European social democrat network. In 1919 she became secretary of the newly founded Communist International in Moscow, but... [Collection highlight]
Johannes Agnoli (1925-2003), born Giovanni Agnoli in Valle di Cadore, about 100 km north of Venice, was a person of extremes. During his school years he was an admirer of Benito Mussolini,... [Collection highlight]
In November 2014 the papers of the Dutch social democrat leader Koos Vorrink were discovered in an attic. His papers have now been catalogued and the inventory is available online. The accompanying... [Collection highlight]
Eight letters from Rosa Luxemburg have recently emerged from an addition to the archive of Sozialistische Monatshefte, sent to the IISH from the Bundesarchiv Berlin.Rosa Luxemburg (1871-1919), born... [Collection highlight]
Anti-Orangist feelings are traditional in Dutch society, as well as the royal house and the Orangists themselves.When William I became “sovereign” in 1813, part of the Amsterdam “riffraff mutteringly... [Collection highlight]
The IISH received a small but interesting supplement to the papers of the Dutch Marxist and socialist Frank van der Goes in the slipstream of the biography Frank van der Goes, 1859-1939. Journalist,... [Collection highlight]
During the Second World War the archive of Sozialistische Monatshefte, in the possession of the IISH since 1939, was seized by the German occupation army and transported eastward. It fell into the... [Collection highlight]
Sal Santen (1915-1998) was both a revolutionary and a novelist. As his literary body of work was mainly autobiographical, these two aspects are virtually inseparable in his writing. His political... [Collection highlight]