eBay, Craigs list, junkyards, and classifieds there are some out there, but it's been decades since they were sold here. For a Legal Eagle you are going to need to build a 1/2 VW. For this you are going to need some custom parts. There are some places that supply the parts you need, Hummel comes to mind. You may find it better to buy new parts by the time you go though the hassle and expense of building from a used core.