Ulrich Raulff, Farewell to the Horse: The Final Century of Our Relationship (London: Allen Lane, 2017); Gregory Clark, A Farewell to Alms: A Brief Economic History of the World (Princeton: Princeton University Press, 2008), 286; Margo DeMello, Animals and Society: An Introduction to Human-Animal Studies (New York: Columbia University Press, 2012), 197; Clay McShane and Joel Tarr, ‘The Decline of the Urban Horse in American Cities’, Journal of Transport History 24:2 (2003), 177–198.
