Coin depicting Queen Mary I and her consort, Philip of Spain (1554)

C.E. Challis, The Tudor Coinage (Manchester: Manchester University Press, 1978).

R.H.M. Dolley, ‘A pattern shilling Irish of Mary Tudor’, British Numismatic Journal, 39 (1971), pp. 98-110.

John Dennis Gould, The Great Debasement: Currency and the Economy in mid-Tudor England (Oxford: Clarendon, 1970).

Kenneth Nichollas and Tomás Ó Canann, The Irish fiants of the Tudor sovereigns during the reigns of Henry VIII, Edward VI, Philip and Mary, and Elizabeth I (Dublin, Éamonn de Búrca, 1994), 4 Volumes.

Glyn Redworth, ‘Philip I of England, embezzlement, and the quality theory of money’, Economic History Review, 55, 2 (2002), pp. 248-261.

Henry Symonds, ‘The coinage of Queen Mary Tudor, 1553-1558: illustrated from the public records’, British Numismatic Journal, 8 (1912), pp. 179-202.