Spectral Associates was created in 1980.
Spectral Worship was created in 1998.
Spectral Sound was created in 2000.
Spectral Bat was created in 1758.
Spectral Mornings was created in 1979-01.
Spectral Gene was created on 2007-12-13.
Spectral - album - was created on 2004-05-10.
The Spectral Sorrows was created on -19-08-07.
Onwards to the Spectral Defile was created in 1998-11.
Bennetts Associates was created in 1987.
Bridgewater Associates was created in 1975.
Sinauer Associates was created in 1969.
Continuity Associates was created in 1971.