Goodnight Opus was created in 1993.
The ISBN of Goodnight Opus is 978-0-316-10853-9.
Opus Energy was created in 2002.
Opus Dei was created in 1928.
Opus Atlantica was created in 2001.
Opus Majus was created in 1267.
Opus - band - was created in 1973.
Bags' Opus was created in 1959.
Opus the Penguin was created in 1981.
Opus Magnum was created in 2008.
Opus Nocturne was created in 1994-12.
Opus X was created in 1982-10.
Daedalian Opus was created in 1990-07.