Brace, S.; Dean, C. 2021. Sounding the horn: three years of rhino horn antiques sold at auction in the UK, 2017 to 2019. London, Save the Rhino International: pp. 1-267.
Brace, S.; Dean, C. 2019. 'Sounding the horn': a survey of antique rhino horn sold at auction in 2017. Pachyderm 60: 120-122.
Brace, S.; Dean, C. 2018. Sounding the Horn: A survey of rhino horn antiques sold in 2017 at auction in the UK. London, Save the Rhino International. pp. 1-94.






