Safford, William Edwin,  1859-1926. <br/><br/>
Classification of the genus Annona with descriptions of new and imperfectly known species, 
by W. E. Safford. 
 - Washington,  Govt. print. off.,  1914. 
 - ix, 68, xi-xii p.  illus. 41 pl.  25 cm. 
 - Smithsonian institution.  United States national museum.  Contributions from the United States national herbarium.  v. 18, pt.1 .
<br/><br/><label>LCCN: </label>agr14001217  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Annona.
<br/><br/><label>LC Class. No.: </label>QK1  / .U5 vol. 18, pt. 1