The American peoples encyclopedia /  
Edited by Ruth C. Hunt...[et al.]. 
 - Chicago :   Spencer Press,  c 1961. 
 - Vols. :   ill. ;   26 cm.  
<br/><br/>V. 15- (Option to Portulaca) ;  
<br/><br/>300  300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia.
<br/><br/><label>Dewey Class. No.: </label>031 / A35