Animal pragmatism: rethinking human-nonhuman relationships. Hrsg. v. Erin McKenna/ Andrew Light. Bloomington, IN 2004. Internet: https://books.google.de/books?id=SIuq_q00gQYC&printsec=frontcover&dq=Animal+Pragmatism.+Rethinking+Human-Nonhuman+Relationships.&hl=en&sa=X&ved=0ahUKEwi6t5PJ4Z7TAhUGrxoKHdHNCZIQ6AEIJDAA#v=onepage&q&f=false.