King, T.; Beer, B. de 2018. Rhinos, elephants and The Aspinall Foundation: over 30 years of captive-breeding, reintroduction and conservatio. Pachyderm 59: 127-131.
PDF download available
King, T. 2013. The Aspinall Foundation: 30 years of captive-breeding, reintroduction and conservation. Wild Conservation 1 (3): 76-89.