Doug Sahm:
Groovers Paradise (with the Tex-Mex Trip)

Scaffold:
At Abbey Road 1966 to 1971 (also here)

Ron Sexsmith:
Long Player Late Bloomer

The Small Faces:
From the Beginning

The Spirit of John Morgan:
Spirit of John Morgan

Bruce Springsteen:
Wrecking Ball

Peter Stampfel:
Dook of the Beatniks

Starry Eyed and Laughing:
The Amazing Zigzag Concert

Steeleye Span:
A Parcel of Steeleye Span

John Stewart:
The Amazing Zigzag Concert

C.W. Stoneking:
Jungle Blues