Number One Ensemble’80 – Gipsylon – Radio – Italy – 3500 (italo-disco)

Nuova Compagnia Di Canto Popolare’77 – 11 Mesi E 29 Giorni – EMI – Italy – 2500 (gfc, folk/prog)

I Nuovi Angeli’73 – Troppo Bella – Philips – Austria – 1500 (italo-pop/rock)

The Nutty Professor’96 – Soundtrack – Def Jam – USA – 2200 (still sealed, rap – LL Cool J, Jay Z, Monica, Warren G, Da Bassment, Case, Montell Jordan)

O Brother, Where Art Thou?’03 – Music From The Film – Lost Highway – USA – 2500 (2LP, soundtrack)

Sinead O’Connor’90 – I Do Not Want What I Haven’t Got – Ensign – Italy – 2500 (inner, pop vocal)

Sinead O’Connor’92 – Am I Not Your Girl – Ensign – Germany – 3500 (inner, pop/jazz vocal)

Oasis’95 – (What’s The Story) Morning Glory? – Creation – UK – 15.500 (2LP, triple gfc, 2 black inners)

Obituary’92 – The End Complete – RC – Holland – 3500 (inner, death metal)

Billy Ocean’89 – Greatest Hits – Jive – EEC – 1800 (inner, soul/funk)

3738. The Oceans’82 – Movin Cruisin – Gira – Spain – 2500 (disco project by La Bionda)

Odissea’73 – Same – Ri-Fi – Italy – 12.500 (gfc, inner, Italian prog)

Jacques Offenbach’65 – Highlights From The Tales Of Hoffmann – HMV – UK – 2500 (classical, Cluytens)

The Offspring’98 – Americana – Columbia – USA – 7500 (inner, incl. superhit Pretty Fly For A White Guy)

Ohio Players’72 – Pleasure – Westbound – USA – 3500 (gfc, label inner, funk)

Ohio Players’75 – Fire – Mercury – Japan – 2000 (insert, funk)

Ohio Players’79 – Everybody Up – Arista – Holland – 2500 (gfc, funk)

3745. David & Igor Oistrach’65 – Max Bruch/Beethoven – Deutsche Grammophon – Germany – 3500 (classical)

David Oistrakh’69 – Dacapo – HorZu – Germany – 1500 (label inner, classical violin)

3747. Bulat Okudjava’72 – Poete Compositeur Sovietique – Le Chant Du Monde – France – 7500 (triple gfc, Булат Окуджава)

3748. Bulat Okudjava’79 – Le Soldat En Papier – Le Chant Du Monde – France – 4500 (booklet, Булат Окуджава)

3749. Bulat Okudshawa’88 – Lieder II – Plane – Germany – 7500 (inner, Булат Окуджава)

Finn Olafsson’s Savannah’77 – Same – KMF – Denmark – 5500 (ex-Ache guitarist, progressive)

Mike Oldfield’82 – Five Miles Out – Virgin – UK – 1800 (gfc, rock/prog)

Mike Oldfield’83 – Crises – Virgin – UK – 2600 (including Moonlight Shadow)

Mike Oldfield’91 – Heaven’s Open – Virgin – Germany – 2800 (inner)

Mike Oldfield’92 – Tubular Bells II – Warner – Germany – 3500

Mike Oldfield’93 – Elements-The Best Of – Virgin – UK – 5500 (16 best tracks)

Sally Oldfield’90 – Natasha – CBS – Holland – 2000 (inner)

Olsen Bros.’73 – For What We Are – Philips – Sweden – 1800 (gfc, rock/prog)

Olympic’78 – Overhead – Supraphon – Czechoslovakia – 1500 (rock)

Omega’73 – Same – Bacillus – Germany – 4500 (gfc, English-language album, Dieter Dierks, prog)

Omega’79 – Gammapolis – Pepita – Hungary – 3500 (gfc, prog)

Omega’81 – Working – WEA – Germany – 1800 (prog)

Omega’82 – ХI – Pepita – Hungary – 1800 (insert, prog)

One For All’05 – Killer Joe – Venus – Japan – 7500 (obi, insert, audiophile jazz sextet)

Opus’84 – Live Is Life – Polydor – Germany – 2500 (inner, pop/disco)

3765. ORB’95 – Orbus Terrarum – Island – UK – 5500 (gimmick plastic cover, 2 map inners, electronic)

Roy Orbison’66 – The Classic Roy Orbison – London – UK – 4500 (60’s)

Roy Orbison’72 – Memphis – London – UK – 3500 (60’s)

Roy Orbison’72 – Sings – London – UK – 3500 (60’s)

Roy Orbison’87 – In Dreams-The Greatest Hits – Virgin – Germany – 3800 (2LP, 60’s)

Roy Orbison’92 – King Of Hearts – Virgin – UK – 4500 (inner, 60’s)

Roy Orbison’11 – The Monument/Singles Collection – Sony – EU – 5500 (2LP, sticker, still sealed, 60’s)

Le Orme’74 – In Concerto – Philips – Italy – 6500 (gfc, Italian prog)

Le Orme’76 – Verita Nascoste – Philips – Italy – 5500 (gfc, Italian prog)

Orme’80 – Piccola Rapsodia Dell’Ape – Philips – Italy – 5500 (gfc, inner, Italian prog)

Oscar’76 – Twilight Asylum – DJM – UK – 2500 (gfc, glam rock/prog)

Osibisa’72 – Heads – MCA – UK – 3500 (gfc, Decca inner, funk/prog)

Ottawan’80 – D.I.S.C.O. – Carrere – Germany – 2900 (disco)

Ottawan’81 – 2 – Carrere – France – 2500 (disco)

Ottawan’81 – Greatest Hits – Carrere – EEC – 2500 (disco)

Ouliana’72 – Same – private – France – 3500 (Уляна, ukranian folk songs)

Our Generation’89 – Same – Tellydisc – UK – 3500 (4LP box-set of best tracks from 60’s including Cream, Kinks, Move, Animals, Procol Harum, Status Quo, Simon Dupre, Amen Corner, Joe Cocker)

3782. Over The Rainbow’75 – The Last Concert Live! – Chrysalis – UK – 2500 (live concert featuring Procol Harum, Kevin Coyne, Hatfield And The North, Frankie Miller, Sassafras, Richard/Linda Thompson)

Overkill’85 – Feel The Fire – Noise – Germany – 3500 (inner, thrash metal)

Ozric Tentacles’92 – Live Underslunky – Dovetail – UK – 5500 (2LP, prog)

Ozric Tentacles’93 – Jurassic Shift – Dovetail – UK – 3500 (prog)

Ozzy Osbourne’80 – Mr. Crowley/You Sad It All/Suicide Solution – Jet – UK – 2500 (3-track maxi-single, specially recorded live versions of tracks)

Ozzy Osbourne’81 – Diary Of A Madman – Epic – Holland – 2500 (inner)

Ozzy Osbourne’83 – Bark At The Moon – Epic – Holland – 2200 (inner)

Ozzy Osbourne’83 – Bark At The Moon/One Up The B Side/Slow Down – Epic – UK – 1800 (3-track maxi-single, including 2 exclusive tracks)

Ozzy Osbourne’84 – Bark At The Moon Tour – UK – 2500 (tour book)

Ozzy Osbourne’85 – The Other Side Of Ozzy Osbourne – Jet – Japan – 3500 (insert, rare singles/live)

Ozzy Osbourne’86 – The Ultimate Sin – Epic – Holland – 2500 (inner, sticker)

Ozzy Osbourne’87 – Randy Rhoads Tribute – CBS – Japan – 7500 (2LP, gfc, obi, insert, booklet, sticker, order form)