Documents office classification / 
compiled by Mary Elizabeth Poole 
 - 5th ed. 
 - Arlinton, Virginia :  The United States Historical Documents Institute,  1977 
 - v. ;  24 cm. 
<br/><br/><label>ISBN: </label>0882220225 
<br/><br/><label>LCCN: </label>7-787107 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification