I was trying to find an appropriate place to ask this in an old thread, so hopefully the question resonates here!
I've been try to pull together all of the B-sides from the Singles/EP's over the years into a bit of a compilation mainly as an easy way to listen to all of those songs.
Here is the list that i've put together, but just wanted to see if i was possible missing anything?
Iron Maiden - EP’s and B-Sides
1979-1981
Iron Maiden (Soundhouse Tapes)
Invasion (Soundhouse Tapes)
Prowler (Soundhouse Tapes)
Running Free (Running Free Single)
Burning Ambition (Running Free Single)
Sanctuary (Sanctuary Single)
I’ve Got The Fire (Sanctuary Single)
Women in Uniform (WIU Single)
Invasion (WIU Single)
Sanctuary (Live +1)
Phantom of the Opera (Live +1)
Drifter (Live +1)
Women in Uniform (Live +1)
Twilight Zone (Twilight Zone Single)
Purgatory (Purgatory Single)
Running Free (Maiden Japan)
Remember Tomorrow (Maiden Japan)
Wrathchild (Maiden Japan)
Killers (Maiden Japan)
Innocent Exile (Maiden Japan)
1982-1986
Total Eclipse (Run to the Hills Single)
Remember Tomorrow (Number of the Beast Single)
I’ve Got The Fire (Flight of Icarus Single)
Cross-Eyed Mary (The Trooper Single)
Rainbow’s Gold (2 Minutes to Midnight Single)
Mission to Harry (2 Minutes to Midnight Single)
King of Twilight (Aces High Single)
Number of the Beast (Live) (Aces High Single)
Running Free (Live) (Running Free – Live Single)
Sanctuary (Live) (Running Free – Live Single)
Murders in the Rue Morgue (Running Free – Live Single)
Run to the Hills (Live) (Run to the Hills Live Single)
Phantom of the Opera (Live) (Run to the Hills Live Single)
Losfer Words (Big ‘Orra) (Live) (Run to the Hills Live Single)
Reach Out (Wasted Years Single)
Sheriff of Huddersfield (Wasted Years Single)
That Girl (Stranger in a Strange Land Single)
Juanita (Stranger in a Strange Land Single)
1988-1993
Black Bart Blues (Can I Play With Madness Single)
Massacre (Can I Play With Madness Single)
Prowler ’88 (The Evil That Men Do Single)
Charlotte The Harlot ’88 (The Evil That Men Do Single)
The Clairvoyant (Live) (The Clairvoyant Live Single)
The Prisoner (Live) (The Clairvoyant Live Single)
Heaven Can Wait (Live) (The Clairvoyant Live Single)
Infinite Dreams (Live) (Infinite Dreams Live Single)
Killers (Live) (Infinite Dreams Live Single)
Still Life (Live) (Infinite Dreams Live Single)
All In Your Mind (Holy Smoke Single)
Kill Me Ce Soir (Holy Smoke Single)
I’m A Mover (Bring Your Daughter Single)
Communication Breakdown (Bring Your Daughter Single)
Nodding Donkey Blues (Be Quick or Be Dead Single)
Space Station No. 5 (Be Quick Or Be Dead Single)
Roll Over Vic Vella (From Here to Eternity Single)
No Prayer For The Dying (From Here to Eternity Single)
Public Enema Number One (Live) (From Here to Eternity Single)
I can’t See My Feelings (From Here to Eternity Single)
Holy Smoke (Live) (Wasting Love Single)
Tailgunner (Live) (Wasting Love Single)
The Assassin (Live) (Wasting Love Single)
Fear of the Dark (Live) (Fear of the Dark Live Single)
Bring Your Daughter (Live) (Fear of the Dark Live Single)
Hooks in You (Live) (Fear of the Dark Live Single)
Hallowed be Thy Name (Live) (Hallowed Be Thy Name Live Single)
The Trooper (Live) (Hallowed Be Thy Name Live Single)
Wasted Years (Live) (Hallowed Be Thy Name Live Single)
Wrathchild (Live) (Hallowed Be Thy Name Live Single)
1995-1998
The Edge of Darkness (Man on the Edge Single)
Judgement Day (Man on the Edge Single)
Justice of the Peace (Man on the Edge Single)
I Live My Way (Man on the Edge Single)
My Generation (Lord of the Flies Single)
Doctor, Doctor (Lord of the Flies Single)
Virus (Short Version) (Virus Single)
Sanctuary (Metal for Muthas Version) (Virus Single)
Wrathchild (Metal for Muthas Version) (Virus Single)
Virus (Long Version) (Virus Single)
Afraid to Shoot Strangers (Live) (Best of the Beast – Ltd Edition Version)
Strange World (Best of the Beast – Ltd Edition Version)
Revelations (Live) (Best of the Beast – Ltd Edition Version)
The Angel and the Gambler (Short Version) (The Angel and the Gambler Single)
The Aftermath (Live) The Angel and the Gambler
Blood on the Worlds Hands (Live) The Angel and the Gambler
The Evil That Men Do (Live) (Futureal Single)
Man on the Edge (Live) (Futereal Single)
Blaze Bayley Interview Part 1 (Man on the Edge Single)
Blaze Bayley Interview Part 2 (Man on the Edge Single)
1999-2003
Wrathchild ’99 (Wrathchild ’99 Promo Single)
Futureal (Live) (The Wicker Man Single)
Man on the Edge (Live) (The Wicker Man Single)
Powerslave (Live) (The Wicker Man Single)
Killer (Live) (The Wicker Man Single)
Out of the Silent Planet (Edited Version) (Out of the Silent Planet Single)
Wasted Years (Live) (Out of the Silent Planet Single)
Aces High (Live) (Out of the Silent Planet Single)
Children of the Damned (Live) (Run to the Hills Live Single)
Total Eclipse (Run to the Hills Live Single)
Acacia Avenue (Run to the Hills Live Single)
The Prisoner (Run to the Hills Live Single)
Pass The Jam (Wildest Dreams Single)
Blood Brothers (Rock Mix) (Wildest Dreams Single)
Nomad (Rock Mix) (Wildest Dreams Single)
Blood Brothers (Orchestral Mix) (Wildest Dreams Single)
Dance of Death (Orchestral Version) (Rainmaker Single)
More Tea Vicar (Rainmaker Single)
The Wicker Man (Live) (Rainmaker Single)
Children of the Damned (Live) (Rainmaker Single)
2004 – now
Paschendale (Orchestral Version) (No More Lies EP)
Journeyman (Electric Version) + Age of Innocence…How Old (No More Lies Single)
The Number of the Beast (Live) (The Number of the Beast ’05 Single)
Hallowed be thy Name (Live) (The Number of the Beast ’05 Single)
The Trooper (Live) (The Trooper ’05 Single)
Prowler (Live) (The Trooper ’05 Single)
Another Life (Live) (The Trooper ’05 Single)
Murder in the Rue Morgue (Live) (The Trooper ’05 Single)
Hallowed Be Thy Name (Live Radio 1) (The Reincarnation of Benjamin Single)
The Reincarnation of Benjamin (Rock Club Version) (The Reincarnation of Benjamin Single)
The Trooper (Live Radio 1) (The Reincarnation of Benjamin Single)
Run to the Hills (Live Radio 1) (The Reincarnation of Benjamin Single)
Different World (Live) (Different World Single)
Iron Maiden (Live) (Different World Single)
Fear of the Dark (Live) (Different World Single)
The Reincarnation of Benjamin (Live) (Different World Single)
Hocus Pocus (Different World Single)
"Satellite 15... The Final Frontier" (Short Version) (Satellite 15... The Final Frontier Single)
Those of us unfortunate enough to live anywhere else must travel to USA to obtain one. 
Seriously though, check the Commentary.
