Code of federal regulations  containing a codification of documents of general applicability and future effect as of July 1, 1979 with ancillaries  [Title] 39,  postal service : 

 - Rev. ed. as of 1979 
 - Washington :  United Strates Government printing office,  1979 
 - pt :  23 cm 
<br/><br/> Containing a codification of documents of general applicabilty and future effect as of July 1, 1979 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Code of federal regulations--Indexes<br/>Federal register--Indexes
<br/><br/><label>Subjects--Topical Terms: </label><br/>Delegated legislation--United States--Indexes<br/>Legislation--United States
<br/><br/><label>Dewey Class. No.: </label>343.0992