Regulation of hours of work and rest periods of professional drivers (and their assistants) of vehicles engaged in road transport. 
Fourth item on the agenda. 
 - Geneva,  International Labour Office,  1938. 
 - 80 p.  24 cm. 
<br/><br/> At head of title: Questionnaire IV. International Labour Conference. Twenty-fifth session, Geneva, 1939. 
<br/><br/><label>LCCN: </label>l  38000122  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Professional motor vehicle drivers.<br/>Hours of labor.
<br/><br/><label>LC Class. No.: </label>HD5119.A76  / I5 1939