This article is from the The Wedding Present FAQ, by Kevin Behrens (email@example.com) with numerous contributions by others.
Pearls from the Past (CA), same as UK version
Pearls from the Past (CA), actually titled "George Best + 9"
and includes the songs from the Nobody's Twisting Your
Arm and Why Are You Being So Reasonable Now? EPs
RCA (US), includes the 4 songs from the Brassneck single
Manifesto (US), same as RCA (US) version (Manifesto was
formerly known as Bizarre/Planet)
First Warning (US), includes 3 songs from the Dalliance and
Lovenest singles, namely Niagara, Dan Dare, and Fleshworld
Manifesto (US), same as original UK version
HIT PARADE 1
First Warning (US)
HIT PARADE 2
RCA (UK) includes a second disc of the 12 Peel Session tracks
HIT PARADE 3
RCA (France) mispressing
Cooking Vinyl (UK)
Cooking Vinyl (US), actually titled MiniPlus, includes "Sucker",
"Waiting On The Guns," and "Jet Girl"