Further reading:

What Has Government Done To Our Money? by Murray N. Rothbard

The Mystery of Banking by Murray N. Rothbard

Man, Economy, and State by Murray N. Rothbard (Chapter 11) + Study Guide

Economic Controversies by Murray N. Rothbard (Chapters 37–42)

The Ethics of Money Production by Jörg Guido Hülsmann

Money: Sound and Unsound by Joseph T. Salerno

Mises on Money by Gary North

The Theory of Money and Credit by Ludwig von Mises + Study Guide

Have Anthropologists Overturned Menger? by Robert P. Murphy

Origin of the Specie: Review of David Graeber’s ‘Debt: The First 5,000 Years’ by Robert P. Murphy

Did Debt Exist Before Money? It Doesn't Matter by Michael V. Szpindor Watson

The Menger-Mises Theory of the Origin of Money — Conjecture or Economic Law? by Kristoffer Mousten Hansen

The Economic Organisation of a P.O.W. Camp by R. A. Radford

How Does Menger Hold Up Today? Evidence from Virtual Worlds by Robert Cavender

The Origins of Money in Diablo II by Solomon M. Stein (Chapter 5 in The Invisible Hand in Virtual Worlds: The Economic Order of Video Games)