Barrett, William 1913-.
What is existentialism? /
William Barrett 
. - New York : Grove Press, Inc.,  1965 
. - 218 p.  20 cm. 
 - (An Evergreen book  ; E-575-A )
<br/><label>  ISBN: </label>394-17388-0 
<br/><br/><label>Subjects--Personal Names: </label><br/>Heidegger, Martin 1889-1976