Bennett, N.R. (1970). Stanley's Despatches to the New York Herald, 1871-1872, 1874-1877. Boston: Boston University Press.
Bury, J.B. and Dalen, P. (2011). The Cambridge Medieval History, Volumes 1-5. Plantagenet Publishing.
Dickson White, A. (1959). Fiat Money Inflation in France. New York: The Foundation for Economic Education, Inc.
Einzig, P. (1949). Primitive Money: In its Ethnological, Historical and Economic Aspects. London: Pergamon Press Ltd.
Epstein, E.J. (2011). The Rise and Fall of Diamonds. Amazon Digital Services LLC.
Francisco Alvares. (1540). Narrative of the Portuguese embassy to Abyssinia during the years 1520-1527. Translated by Lord Stanley of Alderley, London: Printed for the Hakluyt society.
Ibn Battúta. (1325-1354). Travels in Asia and Africa. Translated by H. A. R. Gibb. London: Routledge & Kegan Paul Ltd.
Ibn Batúta. (1325-1354). The Travels of Ibn Batuta. Translated by Samuel Lee. London: The Oriental Translation Committee.
Kloss, C.B. (1903). In The Andamans and Nicobars. London: John Murray
Marco Polo. (1271-1295). The Book of Ser Marco Polo, the Venetian Vol I. Translated by Colonel Henry Yule, C.B. London: John Murray.
Marco Polo. (1271-1295). The Book of Ser Marco Polo, the Venetian Vol II. Translated by Colonel Henry Yule, C.B. London: John Murray.
Menger, C. (1871). Principles of Economics. Translated by James Dingwall and Bert F. Hoselitz. Auburn: Ludwig von Mises Institute.
Pyrard, F. (1619). The Voyage of Francois Pyrard Vol I. Translated by Albert Gray. London: The Hakluyt Society.
Schwartz, S.B. (2004). Tropical Babylons: Sugar and the Making of the Atlantic World, 1450-1680. The University of North Carolina Press.
Stanley, H.M. (1890). How I Found Livingstone: Travels, Adventures, and Discoveries in Central Africa. London: Sampson Low, Marston, Searle & Rivington.
Sykes, P. (1936). The Quest for Cathay. London: A. and C. Black
Thomson, J. (1881). To the Central African Lakes and Back: The Narrative of the Royal Geographical Society's East Central African Expedition, 1878-1880. London: Sampson Low, Marston , Searle & Rivington.
Whitehead, G. (1914). In The Nicobar Islands. London: Seeley, Service & Co. Limited.
Wiston-Glynn, A.W. (1907). John Law of Lauriston, Financier and Statesman. Edinburgh: E. Saunders & Co
Journals & Others
Garenne-Marot, L. (2009). 'Fils à double tête' and Copper-based Ingots: Copper Money-objects at the Time of the Sahelian Empires of Ancient Ghana and Mali. British Museum Research Publication 171.
Heap, S. (2009). 'A bottle of gin is dangled before the nose of the natives': Gin Currency in Colonial Southern Nigeria. British Museum Research Publication 171.
King, H.M. (2018). 'How Do Diamonds Form?'. Geology.com.
Liberato, C.F. (2009). 'Money, Cloth-Currency, Monopoly, and Slave Trade in the Rivers of Guiné and the Cape Verde Islands, 1755-1777'. British Museum Research Publication 171.
Pallaver, K. (2009). 'A recognized currency in beads'. Glass Beads as Money in 19th-Century East Africa: the Central Caravan Road. British Museum Research Publication 171.
Rochard, P. (2018). 'Bitcoin Governance'. Medium.com.
Szabo, N. (2002). 'Shelling Out: The Origins of Money'. Satoshi Nakamoto Institute.
Van Den Bergh, W. (2018). 'On Schelling points, network effects and Lindy: Inherent properties of communication'. Medium.com.