Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4426003
Is Reference of Ogólnopolskie Porozumienie Związków Zawodowych-pl#Sense
Organização dos Sindicatos da Polónia-pt#Sense
All-Poland Trade Union Accord-en#Sense
All Poland Trade Union Alliance-en#Sense
Nationale Verenigde Vakbond-nl#Sense
OPZZ-pl#Sense