Tuberculosis was the most common deadly disease among workers at the beginning of the 20th century. The ANDB set up a fund to sent diamond workers to sanatoria and to finance research. It was called Zonnestraal (Sunbeam). This poster was designed by the architect Duiker who built Sanatorium Zonnestraal, still world famous for its progressive and functional style.
The artificial language Esperanto, invented by he Polish Dr. L. Zamenhof in the 1880s, was meant as a tool for universal understanding - and world peace. It was quite popular in the workers' movement too. This poster was published by the French branch of the Sennacieca Asocio Tutmonda (Universal Stateless Association).
In the 1930s international trade unions tried to organize boycot actions against fascist regimes. On this poster the International Federation of Transport Workers (ITF) calls for action against Mussolini's Italy.
The Paris Commune, 1870-1871, was a source of inspiration for socialists all over the world. This poster calls for a strike to commemorate the Commune and announces a commemorative meeting in New York. During this evening funds were raised for the victims of the repression of the Commune.