1. 
   Oxford University Police
   The Oxford University Police, or Oxford University Constables (popularly known as Bulldogs), was the private police force of the University of Oxford between 1829 and 2003. They carried warrant cards and were empowered to act as police officers within the University precincts and within areas of Ox...
   Found op http://en.wikipedia.org/wiki/Oxford_University_Police
   
   

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