Tracks 1-14: from Pisces Iscariot, official release
Tracks 15-16: from the Pisces Iscariot US bonus 7"
(Not Worth Asking also appeared as a b-side of the 1990 I Am One 7" and Honeyspider II comes from the demo tape called Moon)
Track 17: from the 1989 Moon Demo Tape
Track 18: pre-Pumpkins track, very likely recorded by Billy in 1985-86. Later released on the Still Becoming Apart promo.
Track 19: b-side of the Rocket single
Track 21: Slunk with Jimmy Chamberlin on vocals
Track 22: edited version of the same track found on Mashed Potatoes
Track 23: a Starchildren song
Track 25: the song is cut; it also appears (in complete form) on Mashed Potatoes, the Still Becoming Apart promo and The Smashing Pumpkins 1991-1998 promo.