Looking for The Unreleasables 2 and The Chase by Rob Berkowitz

The Unreleasables 1 & 2 were originally from Doomcenter. I can't find Unreleasables 2 (Unrel2.zip) anywhere online. I tried to get it from Doomcenter years ago, but was never able to download anything from there. The first one is here.

The other map is The Chase (thechase.zip) by Rob Berkowitz. It was available at his website (it's not in the archives). Google didn't find anything.

I've e-mailed unrel2.zip to the address in your profile. I can't immediately find thechase.zip.

Many thanks! Please check your PM.