A nice collection of classic police (and medical) shows on DVD.  All region 1.  Some are sealed still in original packaging - the rest have been watched once.

1) HIll Street Blues: Complete series - all 7 seasons

2) The FBI (60/s70s Quinn Martin show - not the current Dick Wolf "FBI"):   S2 Parts 1 & 2, S3 Parts 1 & 2

3) The Sweeney: S1, S2, S3, S4

4) SWAT (70s version): The Final Season

5) Medical Center: S1