| | Artist | Title | Format | Label | Condition | Price USD | | |
| | One To One | Forward Your Emotions | LP | WEA 25-25811 | M- | $7.70 | Info | Buy |
| | One Way | One Way featuring Al Hudson | LP | MCA MCA-3178 | VG+ | $4.40 | Info | Buy |
| | One Way | Serving It 5:13 / Serving It 5:13 | 12" | MCA L33-17020 | NM | $4.40 | Info | Buy |
| | One, Two, Three ( 1, 2, 3) | Where Do We Go From Here? / Let Go | 12" | Virgin 609 379 | M- | $8.80 | Info | Buy |
| | Ono, Yoko | It's Alright (I See Rainbows) | LP | PolygramPD1-6364 | NM | $4.40 | Info | Buy |
| | Ono, Yoko | Season Of Glass | LP | Geffen 2004 | NM | $4.40 | Info | Buy |
| | Ono, Yoko | Season Of Glass | LP | Geffen GHS-2004 | NM | $4.40 | Info | Buy |
| | Opa | Goldenwings | LP | Milestone/Fantasy M-9069 | G+ | $1.10 | Info | Buy |
| | Opus | Up & Down 3:50 / same | 12" | Polydor PRO 419-1 | M- | $4.40 | Info | Buy |
| | Or Roy Combo | OR ROY Phono | LP | Fade Doom Records FDR-009 | NM | $11.00 | Info | Buy |
| | Oracle | Oracle | CD | RCA 09026-68063-2 | M- | $4.40 | Info | Buy |
| | Orbison, Roy | Combo Concert 1965, Holland | CD | Orbison Records MCC1965D | M- | $13.20 | Info | Buy |
| | Orbison, Roy | Go-Go-Go | CD | Charly CD-27 | M- | $13.20 | Info | Buy |
| | Orbison, Roy | Greatest Hits | LP | Monument M-4009 | M- | $19.80 | Info | Buy |
| | Orbison, Roy | In Dreams - The Greatest Hits | 2LP | Virgin 90604-1 | NM | $13.20 | Info | Buy |
| | Orbison, Roy | Laminar Flow | LP | Asylum 6E-198 | M- | $6.60 | Info | Buy |
| | Orbison, Roy | More of Roy Orbison's Greatest Hits | LP | Monument MLP-8024 | VG+ | $6.60 | Info | Buy |
| | Orbison, Roy | More OF Roy Robison's Greatest Hits | LP | Monument MLP-8024 | VG- | $2.20 | Info | Buy |
| | Orbison, Roy | Mystery Girl | LP | Virgin 7-91058-1 | NM | $5.50 | Info | Buy |
| | Orbison, Roy | Roy Orbison's Greatest Hits | LP | Monument SLP-18000 | VG | $2.20 | Info | Buy |
| | Orbison, Roy | The Big "O" | CD | Charly CDCD-1051 | NM | $8.80 | Info | Buy |
| | Orbison, Roy | The Heart Of Roy Orbison | CD3 | Sony/GSC Music 15068 / A3-23788 | M- | $13.20 | Info | Buy |
| | Orbison, Roy | The Original Sound | LP | (Shelby Singleton) Sun SUN-113 | M- | $9.90 | Info | Buy |
| | Orbison, Roy | The Very Best Of Roy Orbison | LP | Monument MLP-8045 | VG++ | $3.30 | Info | Buy |
| | Orbit (featuring Carol Hall) | All Shook Up : (dance mix 5:33 / radio mix 3:53/intellectual mix 6:14) | 12" | Quality QUS-047 | NM | $6.60 | Info | Buy |
| | Orbit (featuring Carol Hall) | The Bash Goes On " (vocal 5:51/(acappella) :47 / (lunar mix) 6:05) | 12" | Quality QRFC-025 | M- | $6.60 | Info | Buy |
| | Orchestral Manoeuvres In The Dark | The Pacific Age | LP | A&M SP-5144 | M- | $5.50 | Info | Buy |
| | Orchestral Manoeuvres In The Dark | The Pacific Age | LP | A&M SP-5144 | M- | $5.50 | Info | Buy |
| | Orchestral Manoeuvres In The Dark | The Pacific Age | LP | Virgin/A&M SP-5144 | NM | $6.60 | Info | Buy |
| | Orchestre De Paris | Ravel | CD | EMI CDM-7 69566-2 | NM | $5.50 | Info | Buy |
| | Oregon | 45th Parallel | LP | Portrait Records BL-44465 | M- | $6.60 | Info | Buy |
| | Original Broadway Cast | Miss liberty | LP | Columbia Special Products AOL-4220 | M- | $4.40 | Info | Buy |
| | Original Broadway Cast Recording | Les Miserables | 2CD | Geffen GEFD-24151 | NM | $6.60 | Info | Buy |
| | Original Broadway Cast Recording | Milk & Honey | LP | RCA LSO-1065 RE2 | N | $13.20 | Info | Buy |
| | Original Cast | Hair | LP | RCA LSO-1150 | NM | $6.60 | Info | Buy |
| | Original Cast | TV's Bonanza | LP | RCA LSP-2583 | VG++ | $3.30 | Info | Buy |
| | Original Cast Album | Annie Get Your Gun | LP | RCA LSO-1124 | VG+ | $3.30 | Info | Buy |
| | Original Cast Album | Oklahoma! | LP | Decca DL-79017 | M- | $4.40 | Info | Buy |
| | Original Cast Album | The Fantasticks | LP | MGM SE-3872 OC | M- | $6.60 | Info | Buy |
| | Original Cast Recording | Dave merrick presents Phil silvers in the new musical Do Re Mi | LP | RCA LOCD-2002 | VG+ | $5.50 | Info | Buy |
| | Original Cast Recording | Hair | LP | RCA LSO-1150 | NM | $7.70 | Info | Buy |
| | Original Cast Recording | Zero Mostel - Fiddler On The Roof | LP | RCA LSO-1093 | M/M- | $3.30 | Info | Buy |
| | Original Mirrors | Time Has Come/Dancing With The Rebels / 20,000 Dreamers | 12" | Mercury DREAM-12 | NM | $5.50 | Info | Buy |
| | Original Motion Picture Score | Alice's Restaurant | LP | U.A. UAS-5195 | M-- | $6.60 | Info | Buy |
| | Original Score From Around The World Under | Love Theme from Around The World Under The Sea / The Beautiful Sea | 7" | Monument MN45-959 DJ | M- | $5.50 | Info | Buy |
| | Original Soundtrack | Car Wash | 2LP | MCA MCA2-6000 | M- | $6.60 | Info | Buy |
| | Original Soundtrack | More American Graffit | 2LP | MCA MCA2-11006 | NM | $13.20 | Info | Buy |
| | Original Soundtrack | Save The Children | 2LP | Motown M800R2-1 | NM | $12.10 | Info | Buy |
| | Original Twisters | Come On & Twist | LP | Wing MGW-12217-W | M- | $9.90 | Info | Buy |
| | Original Twisters | Come On & Twist | LP | Mercury Wing SRW-16217 | N | $20.90 | Info | Buy |
| | Originoo Gunn Clappaz | Da Storm: Calm Before Da Storm/Hurricane Starang/Danjer / Wild Cowboys In Bucktown/God Don't Like Ug | 12" | Priority SPRO-30177 | M- | $5.50 | Info | Buy |
| | Orioles | Crying In The Chapel | CD | KRB Music 5129-2 | NM | $4.40 | Info | Buy |
| | Orlando, Tony, & Dawn | Greatest Hits | LP | Arista AL-4045 | VG | $1.10 | Info | Buy |
| | Orlando, Tony, & Dawn | Greatest Hits | LP | Arista AL-4045 | VG++ | $2.20 | Info | Buy |
| | Orlando, Tony, & Dawn | Greatest Hits | LP | Arista AL-4045 | VG/VG+ | $2.20 | Info | Buy |
| | Orlando, Tony, & Dawn | Greatest Hits | LP | Arista AL-4045 | NM | $5.50 | Info | Buy |
| | Orlando, Tony, & Dawn | Greatest hits | LP | Arista AL-4045 | NM | $6.60 | Info | Buy |
| | Orlando, Tony, & Dawn | He Don't Love You | LP | Elektra 7E-1034 | M- | $5.50 | Info | Buy |
| | Orlando, Tony, & Dawn | He Don't Love You (Like I Love You) | LP | Elektra 7E-1034 | M- | $5.50 | Info | Buy |
| | Orlando, Tony, & Dawn | He Don't Love You, Like I Love You | LP | Elektra 7E-1034 | M- | $5.50 | Info | Buy |
| | Orlando, Tony, & Dawn | Prime Time | LP | Bell 1317 | N | $7.70 | Info | Buy |
| | Orlando, Tony, & Dawn | Skybird | LP | Arista AL-4059 | M- | $5.50 | Info | Buy |
| | Orlando, Tony, & Dawn | To Be With You | LP | Elektra 7E-1049 | NM | $5.50 | Info | Buy |
| | Orlando, Tony, & Dawn | Tune Weaving | LP | Kory Records KK-3005 | N | $7.70 | Info | Buy |
| | Orlando, Tony, & Dawn | Ukulele Man / Who's In The Strawberry Patch With Sally? | 7" | Bell Records 45,424 | NM | $5.50 | Info | Buy |
| | Orleans | Forever | LP | Infinity INF-9006 | N | $6.60 | Info | Buy |
| | Orleans | Forever | LP | Infinity INF-9006 | M- | $6.60 | Info | Buy |
| | Orleans | Let There Be Music | LP | Asylum 7E-1029 | NM | $6.60 | Info | Buy |
| | Orleans | Let There Be Music | LP | Asylum 7E-1029 | N | $9.90 | Info | Buy |
| | Orleans | Orleans | LP | ABC ABCX-795 | VG+ | $3.30 | Info | Buy |
| | Orleans | Orleans | LP | MCA MCA-5110 | VG+ | $3.30 | Info | Buy |
| | Orleans | The ABC Collection | LP | ABC AC-30011 | NM | $5.50 | Info | Buy |
| | Orleans | Waking & Dreaming | LP | Asylum 7E-1070 | M- | $5.50 | Info | Buy |
| | Orleans | Waking & Dreaming | LP | Asylum 7E-1070 | NM | $5.50 | Info | Buy |
| | Orleans | Waking & Dreaming | LP | Asylum 7E-1070 | NM | $5.50 | Info | Buy |
| | Orleans | Waking & Dreaming | LP | Asylum 7E-1070 | M- | $5.50 | Info | Buy |
| | Orleans Featuring John Hall | Before The Dance | 2LP | ABC Records AA-1058/2 | VG+ | $5.50 | Info | Buy |
| | Ormandy Philadelphia Orchestra | Greatest Hits, Vol. IV | LP | Columbia Masterworks MS-7267 | N | $13.20 | Info | Buy |
| | Ormandy, Eugene | Chopin Concerto #2 / Grand Fantasy On Polish Airs | LP | RCA Red Seal LSC-3055 | M- | $5.50 | Info | Buy |
| | Ormandy, Eugene, & Philadelphia Orchestra | Greensleeves | LP | Columbia Masterworks MS-7103 | N | $9.90 | Info | Buy |
| | Orphan | Everyone Lives To Sing | LP | London XPS-614 | VG++ | $5.50 | Info | Buy |
| | Orpheus Chamber Orchestra | Pavane - Ravel, Satie & Faure | CD | Deutsche Grammophon 449 186-2 | NM | $5.50 | Info | Buy |
| | Orrelana, Raoul | Toros maxi version 6:56 / Real Wild Megamix 4:53 | 12" | ARS Records 3751 | M- | $6.60 | Info | Buy |
| | Orrico, Stacie | Stacie Orrico | CD | Forefront/Virgin 7243-5-32589-2-4 | M- | $4.40 | Info | Buy |
| | Orton, Doug | Sleepy Town | LP | Gene Pool Records DO-272 | NM | $9.90 | Info | Buy |
| | Osborne Brothers | Cut The Cornbread, Mama / If I Could Count On You | 7" | Decca 32325 | M- | $5.50 | Info | Buy |
| | Osborne Brothers | Muddy Bottom / Beneath Still Waters | 7" | Decca 32864 | NM | $5.50 | Info | Buy |
| | Osborne Brothers | My Favorite Memory / Rocky Top | 7" | Decca 32242 | VG++ | $4.40 | Info | Buy |
| | Osborne Brothers | Roll Muddy River / Making Plans | 7" | Decca 32137 | VG+ | $4.40 | Info | Buy |
| | Osborne Brothers | Searching For Yesterday / Georgia Pineywoods | 7" | Decca 32794 | NM | $6.60 | Info | Buy |
| | Osborne Brothers | Take Me Home, Country Roads / Tears Are No Stranger | 7" | Decca 32908 | M- | $5.50 | Info | Buy |
| | Osborne Brothers | Teardrops Will Kiss The Morning Dew / Midnight Flyer | 7" | Decca 33028 | M/M- | $5.50 | Info | Buy |
| | Osborne Brothers & Mac Wiseman | The Essential Bluegrass Album | 2LP | CMH CMH-9016 | NM | $7.70 | Info | Buy |
| | Osborne, Jeffrey | Don't You Get So Mad 3:48 / same | 12" | A&M SP-17241 | NM | $4.40 | Info | Buy |
| | Osborne, Jeffrey | Emotional | LP | A&M SP-5103 | M-/VG+ | $3.30 | Info | Buy |
| | Osborne, Jeffrey | Emotional | LP | A&M SP-5103 | NM | $6.60 | Info | Buy |
| | Osborne, Jeffrey | Emotional | LP | A&M SP-5103 | N | $7.70 | Info | Buy |
| | Osborne, Jeffrey | One Love - One Dream | LP | A&M SP-5205 | NM | $6.60 | Info | Buy |
| | Osborne, Jeffrey | Room With A View: vocal 7:32 / dub 6:11/The Power 4:50 | 12" | A&M 392 130-1 | NM | $7.70 | Info | Buy |
| | Osborne, Jeffrey | Stay With Me Tonight | LP | A&M AMLH-64940 | NM | $8.80 | Info | Buy |
