1. Andrews, Kristin, ‘Beyond Anthropomorphism: Attributing Psychological Properties to Animals’, in Wellbeing International: WBI Studies Repository, 2011, 1–48. Accessed at: www.wellbeingintlstudiesrepository.org. Accessed on 20 August 2022.
2. Aristotle, Aristotle’s History of Animals [1868] (Fairford, Glos.: The Echo Library, 2019), a re-publication of: Aristotle’s History of Animals, in Ten Books, Translated by Richard Cresswell (London: George Bell and Sons, 1887).
3. Bastian, B., K. Costello, S. Loughnan, and G. Hodson, 2012. ‘When Closing the Human-Animal Divide Expands Moral Concern: The Importance of Framing’, Social Psychological and Personality Science, 3 (4), 421–429.
4. Battersea, The Impact of Covid-19 on Companion Animal Welfare in the UK (London: Battersea, 2020). Accessible at https://bdch.org.uk/files/BATTERSEA-Covid-Research-Report.pdf. Accessed on 5 October 2022.
5. Cooke, Lucy, The Unexpected Truth About Animals: Stoned Sloths, Lovelorn Hippos and Other Wild Tales (London: Penguin, 2017).