The slanted bibliography CA F&G uses:
http://www.dfg.ca.gov/hcpb/species/nuis_exo/ferret/fertbiblio.shtm
http://www.invasivespecies.gov/other/biblio.shtml
 
(It is SCARY how many websites have this bibliography or even sell it.)
 
A BFF bibliography:
http://www.blackfootedferret.org/bibliography.html
 
*****Hey, heads up: These are "Buy Your Term Paper" sites with paper on
why ferrets should be legalized in CA so it may pay to see if someone
here got ripped off or had a copyright violated.*****
 
http://vein.library.usyd.edu.au/links/ferrets.html
and
http://www.1stdegreepapers.com/categories/010-014.html
and
http://www.easypapers.com/categories/010-017.html
 
I had a laugh wiht as site I won;t list that old timers here will
understand: There is a bibliography site on computing with some things
from Chris Lewis!
 
http://www.grizzlybear.org/carbiblio.html (not only ferret stuff, but
partly that)
 
Of course:
http://sciences.univ-angers.fr/ecologie/BibliographyMustelid.html
 
I'm tto tired to keep looking but there are more...
[Posted in FML issue 4195]