Keene, G. B. (Geoffrey Bourton) <br/><br/>
Abstract sets and finite ordinals :  an introduction to the study of set theory. 

 - New York :  Pergamon Press,  1961. 
 - International series of monographs on pure and applied mathematics ;  v. 23 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>61011160 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set theory.<br/>Set theory.<br/>Logic, Symbolic and mathematical.
<br/><br/><label>LC Class. No.: </label>QA248  / .K4 
<br/><br/><label>Dewey Class. No.: </label>512.817