* Barber, Brian R .; Martínez-Gómez, Juan E. & Peterson, A. Townsend ( 2004 ): Systematic position of the Socorro mockingbird Mimodes graysoni.
* Barber, Brian R .; Martínez-Gómez, Juan E. & Peterson, A. Townsend ( 2004 ): Systematic position of the Socorro mockingbird Mimodes graysoni.
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