Kuczynski, Robert René,  1876-1947. <br/><br/>
Arbeitslohn und arbeitszeit in Europa und Amerika, 1870-1909 / 
von R. Kuczynski. 
 - Berlin :  J. Springer,  1913. 
 - vi, 817 p. ;  27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>LCCN: </label>l  13000061  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wages.<br/>Hours of labor.<br/>Labor contract.
<br/><br/><label>LC Class. No.: </label>HD4906  / .K8