Are you sure about the name of that first bow? Never heard of it and couldn't find anything online about it. As far as the second and third, the Oneida is going to be a hard sell. Most people really can't stand the Oneida bows. Too heavy and way to many parts to fail. They picked a simple operating machine and complicated the hell out of it. There are a select few that like them.
As to that Bear takedown, value can be anywhere from $150-$450 depending on the number if it is what I suspect it to be. If the serial number on the riser, that's the handle part if you didn't know, is white in color and begins with A, B, or C then that is one of Freds original takedown designs. If the number is 2000 or less then that will be a type I, his original design, and 2000 and up will be type II which involved a change in the riser design.