Scarabs systematics and world´s scientists  http://www-museum.unl.edu/research/entomology/

Biología Centrali-Americana  http://www.sil.si.edu/digitalcollections/bca/

Tree of Life  http://tolweb.org/tree/phylogeny.html

Historical Literature of Agriculture and Systematic Entomology  http://chla.library.cornell.edu/

US. Armed Forces Pest Management Board http://www.afpmb.org/links.htm

http://www-museum.unl.edu/research/entomology/VI_Reunion.htm

http://www.prensalibre.com/pl/domingo/archivo/domingo/pdfs/do180404.pdf