Title: The Polish coal miner's union and the German labor movement in the Ruhr, 1902-1934 : national and social solidarity /
Authors: Kulczycki, John J.
Publisher: Berg,
Year: 1997
Subjects: Zjednoczenie Zawodowe Polskie History.; Labor movement Germany Ruhr (Region) History.; Strikes and lockouts Germany Ruhr (Region) History.; Polish people Germany Ruhr (Region) History.