General report :  report 1 : first iteam on the agenda / 
International Labour Organization 
 - Geneva :  International Labour Office,  1949 
 - vi, 211 p. ;  24 cm. 
<br/><br/> At head of title: Report 1. International Labour Organisation Coal Mines Committee. 3d sess., Pittsburgh, 1949 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining<br/>Coal miners
<br/><br/><label>Dewey Class. No.: </label>331.762233