Proceedings of the Academy of Natural Sciences of Philadelphia / 
Academy of Natural Sciences of Philadelphia. 
 - Anual 
<br/><br/><label>ISSN: </label>00973157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZOOLOGIA.<br/>ARQUEOLOGIA.<br/>SISTEMATICA.<br/>PUBLICACIONES SERIADAS.