Gatefold sleeve with 2 extra pages. On the center labels of this version, "STEREO" and "MONO" are printed in all caps, and "Side 1" and "Side 2" are not.
Tracks A1 to A3 and A8 from Eleven Intrusions.
Tracks A4 to A7 from Li Po Songs.
Tracks A1 to A3 and A8 recorded in 1950 in Gualala, Cal.
Tracks A4 to A7 recorded 1947 in Madison, Wis., remastered 1962.
Track A9 recorded 1973 in San Diego.
Tracks B1 and B2 recorded March 23, 1953, University of Illinois at Urbana; previously unreleased.
The Anvil-type symbol ⌂ stamped in the runout denotes this is a pressing.