Callahan, Daniel,   1930- <br/><br/>
Ethics and population limitation/ 
Daniel Callahan. 
 - [New York] :  [1971] 
 - 45 p. ;  23 cm. 
 - Occasional paper of the Population Council. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0878340025 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth control.
<br/><br/><label>Dewey Class. No.: </label>301.321