Higgins, Vera,  1892-1968. <br/><br/>
The study of cacti / 
by Vera Higgins 
 - 2nd ed. 
 - London :  Blandford Press,  1946 [reprinted 1956] 
 - 144 p. :  ill. ;  22 cm. 
<br/><br/>Bibliography: p. 138-139. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cactus.
<br/><br/><label>Dewey Class. No.: </label>635.93347  / HIS 1956