Twain, Mark. <br/><br/>
A pen warmed-up in hell :  Mark Twain in protest / 
Edited by Frederick Anderson. 
 - New York :  Harper,  1972. 
 - 183 p. 
<br/><br/><label>ISBN: </label>0060101172 
<br/><br/><label>LCCN: </label>70181606 
<br/><br/><label>Dewey Class. No.: </label>818