![Practices of Denunciation in Modern European History, 1789-1989 || The Foreign Worker and the German Labor Movement: Xenophobia and Solidarity in the Coal Fields of the Ruhr, 1871-1914by John J. Kulczycki]()
Practices of Denunciation in Modern European History, 1789-1989 || The Foreign Worker and the German Labor Movement: Xenophobia and Solidarity in the Coal Fields of the Ruhr, 1871-1914by John J. KulczyckiReview by: Frederick Marquardt · The Journal of Modern History · 1996