[Cleve, Brian.]  W. B. YEATS AND THE DESIGNING OF IRELAND'S COINAGE.  Dublin: Dolmen Press, 1972.

Coincraft.  STANDARD CATALOGUE OF THE COINS OF SCOTLAND, IRELAND, CHANNEL ISLANDS & ISLE OF MAN.  London: Coincraft, published annually.

Dowle, Anthony.  THE GUIDE BOOK TO THE COINAGE OF IRELAND FROM 995 AD TO THE PRESENT DAY.  London: Spink, 1969.

Moynihan, M.  CURRENCY AND CENTRAL BANKING IN IRELAND, 1922-1960.  Dublin: Gill & Macmillan, 1975.

Nelson, Philip.  THE COINAGE OF IRELAND IN COPPER, TIN AND PEWTER, 1460-1826.  Liverpool: W. M. Murphy, 1905.

Seaby, Peter.  STANDARD CATALOGUE OF BRITISH COINS. [Vol. 3]: COINS AND TOKENS OF IRELAND.  12th Edition. London: Seaby, 1973.

Young, Derek.  COIN CATALOGUE OF IRELAND, 1692-1969. 4th Edition.  Dublin: Stagecast Publ., 1969.