Nibert, David Alan: Animal rights/human rights: entanglements of oppression and liberation. Lanham, Md 2002. Internet: https://books.google.de/books?id=mLFIGWSR5M4C&printsec=frontcover&dq=Animal+Rights,+Human+Rights.+Entanglements+of+Oppression+and+Liberation.&hl=en&sa=X&ved=0ahUKEwj9z56ZpODRAhUqOpoKHZbRCYMQ6AEIGjAA#v=onepage&q=Animal%20Rights%2C%20Human%20Rights.%20Entanglements%20of%20Oppression%20and%20Liberation.&f=false.