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2. Bekoff, Marc. 2007. The emotional lives of animals. Novano: New World Library. Print.
3. Bekoff, Marc. 2010. The animal manifesto: Six reasons for expanding our compassion footprint. Novato: New World Library. Print.
4. Berger, John. 1980. Why look at animals? In About looking. New York: Random House. Print.
5. British Columbia Society for the Provention of Cruelty to Animals. Position statement animals used for clothing, fashion and art. PDF. http://www.spca.bc.ca/assets/documents/welfare/position-statements/animals-used-for-clothing.pdf.