Davidson, John,1878-1970Nova Scotian Institute of Science2010-02-252010-02-251900Davidson, John (1900). The natural history of money. Proceedings and Transactions of the Nova Scotian Institute of Science, 10(2), 179-204.http://hdl.handle.net/10222/12523Read May 14th, 1900.enMoneyExchangeBarterLocal exchange trading systemsHistoryText