Heaney, Seamus,  1939-2013. <br/><br/>
The spirit level / 
Seamus Heaney. 
 - 1st American ed. 
 - New York :  Farrar, Straus, Giroux,  1996. 
 - 81 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0374267790 
<br/><br/><label>LCCN: </label>95042585 
<br/><br/><label>LC Class. No.: </label>PR6058.E2  / S67 1996 
<br/><br/><label>Dewey Class. No.: </label>821/.914