Welcome!
First, our project is to catalog old software, like you said. We don't share or provide it for obvious reasons (legality, size, ...) and that is not our goal. You can search for it in other places as you discovered but not around here.
In relation to TOSECISO, things are a bit unclear at the moment and i'm not attached to the branch. There has been a few changes lately and toseciso.org domain is even down. You can contact Aral about that, maybe he knows how better. Briefly, we have our dump guide which you can found in the forum. A few months back some ISO guys created a new tool to make dumping easier and more correct AFAIK. Still, the tool is not yet public and you may have to wait for the next days/weeks to see how it develops. There should be a method to send stuff, i'm just not connected with ISO atm.
Hope it helps, feel free to ask anything more and stay around
