The world coal-mining industry : Vol. 1 /
- Geneva : International Labour Office, 1938.
- 258 p. : tables, diagrs. (part fold.) 24 cm.
- Its Studies and reports, Series B (Economic conditions) no. 31 .
- International Labour Office. Studies and reports, Series B (Economic conditions) no. 31. .
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."
v. 1. Economic conditions.-- v. 2. Social conditions.
l 39000015
Coal mines and mining.
Coal miners.
Coal trade.
HD4813 / .I4 ser. B, no. 31
338 / INW
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."
v. 1. Economic conditions.-- v. 2. Social conditions.
l 39000015
Coal mines and mining.
Coal miners.
Coal trade.
HD4813 / .I4 ser. B, no. 31
338 / INW