Macnair, Mary Wilson <br/><br/>
Subject headings with local subdivision 

 - Washington, D.C :   Government Printing Office,   1925. 
 - 34 p. ;   21 cm. 
<br/><br/> Headings with indirect subdivision     Headings with direct subdivision    List of local divisions (statesprovinces) to with subdivision is always direct. Library of Congress