Hanrei rōdōhō no kenkyū / 
Yanagawa Masao tō kyōcho. 
 - Tōkyō :  Rōmu Gyōsei Kenkyūjo,  Shōwa 25 [1950] 
 - 5, 40, 917, 20 p. ;  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>j  66000855  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor laws and legislation--Japan.<br/>Labor laws and legislation.
<br/><br/><label>LC Class. No.: </label>Law