Hours of labour in industry. 

 - Geneva :    International Labour Organization,    1925. 
 - 120 p. :    ill., tables ;    24 cm. 
 - Studies and reports. Series D (wages and hours) ;    no.14; Studies and reports. Series D (wages and hours) ;    no.15. .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Hours of labor -- Germany.