Findings:
- magnum opus
- Si opus sit
- Marmoratum opus
- Opus
- Mr. Holland's Opus
- Moog Opus 3
- magnus opus
- Beethoven Piano Sonata No. 7
- Directory Opus
- Opus 67
- Daemon Opus (user)
- Opus Number
- Opus 40
- Penguin Opus (user)
- Chopin Polonaise: Opus 26 no.1 & 2
- Chopin Polonaise: Opus 40 no.1 & 2
- Chopin Polonaise: opus 44
- Chopin Polonaise: Opus 53
- Chopin Polonaise: Opus 61 (polonaise-fantaisie)
- Opus IV
- Ronald Opus
- cybook opus
- Doctor Korgon's Robotic Opus
- Magnum Research
- Magnum Size
- Magnum, P.I.
- Magnum, P_I
- Magnum
- Magnum XL-200
- o magnum mysterium
- Arctic Warfare Magnum
- Foramen magnum
- Opus Dei
- Magnum (user)
- Magnum 44
- Dodge Magnum
- magnum opiate
- .500 S&W Magnum
- .357 Magnum Stress Management System
- .22 Winchester Magnum Rimfire
- Opus (user)
- Opus 3
- opus infinitum
- .44 Remington Magnum
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