Buckle vs Holmes is not going to be a law, it will be a legal precedent that can support your position. There are a few lawyers on this site who may have access to the relevant electronic files of legal precedents that you need. I suggest you rename your thread to something more specific like 'legal precedents? Buckle vs Holmes' so that it catches their eye. You can do this by editing your first thread ...
Good luck, sounds like a horrible neighbourhood, and I would not only be notifying the housing association about your partner's treatment, I would also be contacting the police. The behaviour you describe is assault and menacing behaviour and something that the police should take an interest in ...