"Live in Stoccolma 1971" is in fact it is another version
of the "Rock'n'Roll Hootchie Koo" bootleg with tracks in different succession.
Apparently it belongs to a series of Rock titles called "the dictionary of Rock".
Backcover says that the sound has been remastered, but except that it is less
loud than on the original there is no real difference.
If you enjoy Johnny Winter's Live Music, consider also
one of these official albums available at Amazon