Music Theory Spectrum was created in 1979.
Society for Music Theory was created in 1977.
Journal of Music Theory was created in 1957.
Dutch Journal of Music Theory was created in 1996.
Journal of Music Theory Pedagogy was created in 1987.
Spectrum Aircraft was created in 1983.
Guildford Spectrum was created in 1993.
Spectrum Technologies was created in 1987.
Spectrum Comics was created in 1983.
Vocal Spectrum was created in 2003.
A Special from the Spectrum was created in 1984.
Spectrum Aeronautical was created in 1995.
Conus spectrum was created in 1758.