Reduction of hours of work in the building and civil engineering ind utry. Fourth item on the  agenda. 

 - Geneva :    International Labour Office,    1936. 
 - 117 p. 24 p. 
<br/><br/>  At head title : report 1V. International Labour conference. Twentiet h session session, Geneva 1936.   ( Supplementary report ) Fourth item on the  agenda. International L abour conference. Twentieth session session, Geneva 1936. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Hours of labor.<br/> Building.