Może znajdzie się ktoś chętny na trochę specjalizowanej literatury:
C. W. Peck: English Copper, Tin and bronze coins in the British Museum 1558-1958 (Londyn, 1970)
Peter J. Davies: British Silver Coins since 1816 (1982)
P. Alan Rainer: English Silver Coinage since 1649 (5th edition 1992)
Maurice Bull: English Silver Coinage since 1649 (6th edition 2015)
Spink: Coins of England & The United Kingdom 2013
Spink: Coins of England & The United Kingdom 2015 (2 tomy)
Michael A. Marsh: The gold half-sovereign (2nd edition 2004)
Michael A. Marsh: The gold sovereign (Golden Jubilee edition 2002)
The Distinguished Collection of English Gold Coins 1700-1900 formed by Capitan K. J. Douglas-Morris (katalog Sotheby & Co. 1974)
Dodatkowe, szczegółowe informacje bezpośrednio zainteresowanym.