(Polish title: Jozef Zielinski i jego koncepcje polityczne sprzed I wojny swiatowej. Przyczynek do dziejow polskiej mysli lewicowej okresu zaborow). Born in 1861, Jozef Zielinski was one of the forerunners of Polish anarchism and syndicalism. The height of his activity in the area of political journalism occurred during several years preceding the First World War. At that time, being in exile in Paris, J. Zielinski published a few papers, where he, inter alia, referred to the ideas conveyed by G. Sorel and P. Kropotkin, as well as the conceptions which were then propagated by a radical wing of the French labor movement. Believing that the proclaimed political visions could be popularized within the territory of the former Republic of Poland, the main character of this article endeavored to reach Polish readers, particularly in the Russian and Austrian Partition. It is worth noticing that at the beginning of the 20th century, J. Zielinski's correspondence from the French capital was printed in Warsaw magazines 'Prawda ' (Truth) and 'Glos ' (Voice) whereas an extensive two-part article by this author was also published in the Cracow's 'Krytyka ' (Review) in 1903.