Vale, William L. . <br/><br/>
The Principles of Wages /  Textual Documents 
William L. Vale. 
 - 1st ed. / 
 - London :  P. S. King & Son, Ltd. ,  1928. 
 - xi,139p. :  ill ;  23cm . 
<br/><br/>Bib. 
<br/><br/><label>Subjects--Index Terms: </label>T/G- Economics Wages 
<br/><br/><label>Dewey Class. No.: </label>331.23