Ward, Barbara,  1914- <br/><br/>
Spaceship earth / 
Barbara Ward. 
 - New York   Columbia University Press   1966. 
 - viii, 152 p.   23 cm. 
 - The George B. Pegram lectures ;  no. 6 .
 - George B. Pegram lecture series ;  no. 6. .
<br/><br/><label>LCCN: </label>66018062 //r96 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International cooperation.<br/>International relations.
<br/><br/><label>LC Class. No.: </label>JX1395  / .J3 1966