Coal production in the Ruhr district (end of May 1920) enquiry by the International Labour Office.

Coal production in the Ruhr district (end of May 1920) enquiry by the International Labour Office.

Bibliographische Detailangaben
Körperschaften: International Labor Office, Berthelot, M, International Labour Office, Lazard, M
Format: Buch
Sprache:English
Veröffentlicht: [Geneva] Nendehln, Kraus Reprint 1975, 1920.
Schriftenreihe:Studies and documents. Series B nos. 1-13
Schlagworte:
Coal miners > Germany > Wetphalia.
Coal mines and mining > Germany > Westphalia.
Ruhr river and valley.