Wikipedia - The History of the Farthing - A very informative account of the history of the farthing, from "cut coinage" through to the last year of production.
 Colin Cooke - A coin shop/website which specialises in farthings of all types and periods.
 George Manz - A link to an article which gives information on the Ralph Heaton mint in Birmingham.
 My Farthings - A collector's website detailing images of farthings from many periods.
 Stuart Royal Farthing Tokens - A very informative website focusing on the farthing tokens of James I and Charles I
 Goldberg Coin & Collectables - Numismatic auctioneers.
 Heritage Auctions - The world's number one numismatic dealer and auctioneer.
English Milled Coins
 Coins of England and Great Britain - Tony Clayton - A comprehensive site, which provides invaluable information on the full range of british coinage including values for each denomination.
 Predecimal - A coin shop/website covering all aspects of coin collecting including supplies/accessories (Also has an excellent discussion forum!!!).
 Coins GB - A photographic reference of British Coins from the reign of Charles II and a very active forum here!!
 RP Coins - A coin dealer specialising in British Coins, also has a great range of auction catalogues
 Wybrit - A coin website and dealer specialising in milled coins, but also contains some valuable hints, tips & information for collectors.
 Argentum and Coins - A coin website hosted by John Stephenson, a dealer specialising in British milled coins from 1662 onwards.
 George Coins - A coin website focused on British coins (milled and hammered).
 Penny Crown Coins - British coins, Celtic, through Roman and hammered English to modern pre-decimal
English Hammered Coins
 Historic Coinage - A coin dealer specialising in hammered coins, but also sells supplies and some milled coinage.
 Halls Hammered Coins - A coin dealer specialising in hammered coins
 Hammered British Coins - A coin dealer specialising in British hammered coins
 Jersey Coins and Banknotes - The only website to visit if you wish to find out anything about the coinage/currency of Jersey, contains many fascinating images of die repunching and clashed dies.
 Australian Commonwealth Coinage - A website which provides information on Australian pre-decimal coinage, and has some great images of errors/varieties.
 Ian's Place - A coin website that specialises in Australian decimal coin varieties, but also covers farthing varieties.
 Numismatic Dimensions - A website which provides information on token issues and bimetallic coinage in addition to some fascinating articles on numismatics.
 Encased Collectors International - A fascinating website focused solely on the encasement of coins, free membership available, you can even get your own personalised encased coins!!!
 Irish Coinage - A website dedicated to the coinage of the Emerald Isle, plenty of images provided and a price guide.
 Petitioncrown.com - A fascinating numismatic site with details of numerous coins including the famous petition crown
 Coin Collecting For Kids - A great numismatic resource for kids, this link was recommended to me by a website visitor (Emma) whilst she was undertaking a young numismatic project
Metal Detecting Websites
 Detectorist.co.uk - A forum dedicated to metal detecting, a fantastic resource for the hobby, and a friendly bunch as well
 UKDFD - A great place to record your finds for future generations, and plenty of experts available to help ID your finds.