The History page of JDJ Bulldog have been written by Brian S. Cram Jr. of Cram's American Bulldogs, North Carolina, USA.
The picture at the frontpage shows Slovak and Czech Champion Tenesco Aradir White Power "Jerry", owned by Tom Sobek. Picture by Roland Kovács, Hungary.
Providers of the other pictures used at the JDJ Bulldog pages are Roland Kovács - Hungary, Lori & Gary Webster - USA, Ron & Jo Ann Jones of Cheyenne - Wyoming, & Stijn - Holland.