Humphreys, H. N. (1853). The coin collector's manual: Or, Guide to the numismatic student in the formation of a cabinet of coins : comprising an historical nad critical account of the origin and progress of coinage, from the earliest period to the fall of the Roman empire ; with some account of the coinages of of modern Europe. London: H. G. Bohn.

Humphreys, Henry Noel. The Coin Collector's Manual: Or, Guide to the Numismatic Student in the Formation of a Cabinet of Coins : Comprising an Historical Nad Critical Account of the Origin and Progress of Coinage, From the Earliest Period to the Fall of the Roman Empire ; With Some Account of the Coinages of of Modern Europe. London: H. G. Bohn, 1853.

Humphreys, Henry Noel. The Coin Collector's Manual: Or, Guide to the Numismatic Student in the Formation of a Cabinet of Coins : Comprising an Historical Nad Critical Account of the Origin and Progress of Coinage, From the Earliest Period to the Fall of the Roman Empire ; With Some Account of the Coinages of of Modern Europe. London: H. G. Bohn, 1853.