Yearbook of Labour statistics. 

 - Geneva  International labour office.       1938 
 - viii; 267p.  cm. 
<br/><br/><label>Standard No.: </label>172754 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X:951n - N38, G8"