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

Bibliographic Details
Corporate Authors: International Labor Office, Berthelot, M, International Labour Office, Lazard, M
Format: Book
Language:English
Published: [Geneva] Nendehln, Kraus Reprint 1975, 1920.
Series:Studies and documents. Series B nos. 1-13
Subjects: