At the Edge: Black Dogs Folklore  
   Article by Bob Trubshaw on the black dog in folklore.
   http://www.indigogroup.co.uk/edge/bdogfl.htm

At the Edge: Black Dogs - Guardians of the Corpse Way  
   Article by Bob Trubshaw discussing the myths of black dogs as guardians to the Otherworld.
   http://www.indigogroup.co.uk/edge/bdogs.htm

Ghostly Black Dogs  
   Accounts of ghostly black dogs in the county of Sussex, UK.
   http://www2.prestel.co.uk/aspen/sussex/blackdog.html

At the Edge: Hellhounds, Werewolves and the Germanic Underworld  
   Article by Alby Stone discussing the relation between dogs and travel to the realm of the dead.
   http://www.indigogroup.co.uk/edge/hellhnds.htm

Apparitions Of Black Dogs  
   Including accounts of experiences, interpretation, and references, compiled by Simon Sherwood, University of Edinburgh.
   http://moebius.psy.ed.ac.uk/~simon/homepage/blackdog.htm