Johnson , Rebecca L. <br/><br/>
Battle of the dinosaur bones: othniel charles marsh vs edward drinker cope 

 - Minneapolis  Twenty first century  2013 
 - 64p. 
<br/><br/><label>ISBN: </label>9780761354888 
<br/><br/><label>Dewey Class. No.: </label>YA  560 JOH