BioStor
 | Review of the taxonomy of Aster sensu lato (Asteraceae: Astereae), emphasizing the New World species G L Nesom Phytologia 77: 141-297 |
 | Argentine Xorides (Hymenoptera: Ichneumonidae) (1975) Revista Chil Ent 9: 51-56 |
 | A phylogenetic hypothesis for the goldenasters (Asteraceae: Astereae) G L Nesom (1991) Phytologia 71: 136-151 |
 | New Records Of Wandering Spiders From Texas, With A Description Of The Male Of Ctenus Valverdiensis (Araneae : Ctenidae) W D Sissom, W B Peck and J C Cokendolpher (1999) Entomological News 110: 260-266 |