ROSENBERG, Michał. Activity of branch sections of the Solidarity Trade Union in 1980–1981 on the example of the “Solidarity” National Coordinating Commission of Theatre Workers. Polska 1944/45-1989. Studia i Materiały. Online. 1 December 2016. No. 14, pp. 205-234. [Accessed 7 July 2025]. DOI 10.12775/Polska.2016.08.