The world coal-mining industry : Vol. 2 - International Labour Office (Geneva : International Labour Office, 1938)
v. 1. Economic conditions.-- v. 2. Social conditions.
At head of title: International labour office ...
"Originally prepared and distributed in proof as a 'white' report, intended to serve as a basis for discussion at the Technical tripartite conference on the coal-minimg industry ... in Geneva in May 1938."
Keywords: Coal mines and mining; Coal miners; Coal trade