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Lyndall Ryan, Massacre in Tasmania? How can we know?«Copia archivada». Archivado desde el original el 5 de junio de 2010. Consultado el 3 de mayo de 2010.
Lyndall Ryan, Massacre in Tasmania? How can we know?«Copia archivada». Archivado desde el original el 5 de junio de 2010. Consultado el 3 de mayo de 2010.