Baum, John D. <br/><br/>
Sets I  : a self-instructional program. 

 - New York :  MacGraw-Hill,  1964. 
 - Various pages.  29cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set theory
<br/><br/><label>LC Class. No.: </label>MATH QA248.B38