Private money

"Minting Money: The Curious Case of the Liberty Dollar." Invest Foresight Online Business Magazine 11 May 2021.

"Contemporary Private Monetary Systems." Pp. 213-253 in L. H. White, V. J. Vanberg and E. A. Köhler (eds), Renewing the Search for a Monetary Constitution, Cato Institute, Washington DC, 2015.

"Free Banking." Pp. 213-244 in P. J. Boettke and C. J. Coyne (eds) The Oxford Handbook of Austrian Economics, Oxford: Oxford University Press, 2015. 

New Private Monies - a Bit Part Player? London: Institute of Economic Affairs, 2014.

“A Voluntaryist Path to a Free-Market Money.”  The Voluntaryist, Vol. 63, August 1993, pp. 1, 2-7. 

Private Money - the Path to Monetary Stability, London: Institute of Economic Affairs Hobart Paper 112, 1988. This was subsequently translated into Italian and published as Abolire le Banche Centrali by the Istituto Bruno Leoni in 2009.