The House of Representatives and Senate :  what's the difference? 

 - 1 online resource (3 unnumbered pages) 
<br/><br/> GPO Cataloging Record Distribution Program (CRDP). 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. Congress. 
<br/><br/><label>GPO Item No.: </label>1100-D (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 3.AR 2:2 D 56