• Hubert Herald

  Detailed knowledge of both historical and modern arms and emblems. Although most articles are in English, a few are in Dutch.

• WappenWiki

  Lists historical shields of European states. Can be a bit historically questionable at times; but due to its distinct illustration style, it's still a great source of assets. I used to be a contributor.

• A Guide to Software for Heraldry

  My guide to software for heraldry - spanning vector, raster, and specially designed programs.

• A Glossary of Terms Used in Heraldry

  One of the main heraldic dictionaries of note; has examples for many terms used, and a "synoptical table" of categories.

• Elvin's Heraldic Dictionary

  Another old heraldic dictionary, containing some interesting illustrations and antiquated terms.

• Heraldica

  A very dated-looking but still comprehensive site on heraldry covering a number of topics. Of particular interest is the Heraldry by Country section.

• The Handbook to English Heraldry

  A classic, but sometimes inaccurate, book by one Charles Boutell, primarily focusing on English heraldry.

• A Complete Guide to Heraldry

  The definitive guide to heraldry in England, by A. C. Fox-Davies. Although it is for the most part accurate, a few of his opinions (like that on the heraldic white) are best ignored. The Art of Heraldry is a related volume that draws upon some of the same material.

• Links to Online Rolls of Arms

  A list of rolls of arms available online, hosted by the Viking Answer Lady.

• Vakhushti Georgian flags collage

  An image containing semi-heraldic flags collected by Georgian cartographer Prince Vakhushti.

• Heraldic Sources

  A massive compendium of heraldic books organised by country, intended as the basis for an armorial project that has, as of this writing, not been started.

• Book of all Kingdoms

  An interesting medieval book which contains numerous semi-heraldic banners which... are not very accurate, to say the least.

• Flags of the World

  Although its main remit is flags, as the name implies, and the web design looks rather vintage, it actually contains a bunch of heraldic knowledge. Don't trust the blazons, though.

• International Heraldry

  Explains the basics of international heraldry; very handy for newcomers to the field.

• European Heraldry

  Displays arms of historical European states, similar to WappenWiki. Unlike WappenWiki though, the artstyle is atrocious.

• Heraldicum.ru

  A Russian heraldic website. Although there is an English version available, you might be better of using Google Translate, as it's not very big.

• Postcards with coats of arms

  A Polish online museum page containing a selection of historical heraldic artifacts from that country.

• Finto HERO

  Operated by the Finnish government, this is an experimental relational thesaurus for heraldic terms in a vast array of languages, complete with illustrations.

• An encyclopaedic dictionary of heraldry

  A more recent heraldic dictionary by noted heraldist Julian Franklin.

• Fictitious and Symbolic Creatures in Art

  Not exclusively heraldic, but still very relevant. Deals with mythological beasts of European origin.

• Vocabulaire-Atlas Héraldique

  Gathers a large variety of heraldic terms and provides translations in five languages. An online version is available at Heraldica.

• Mistholme Pictorial Dictionary of Heraldry

  Accurately describes some obscure features, but at the cost of including some glaring mistakes and quirks of the SCA, who the book is intended for.

• Category:en:Heraldry

  A listing of all heraldic terms mentioned by Wiktionary.

• The Canadian Heraldic Dictionary

  In the heraldic world, Canada is famous for its unusual, controversial, and creative designs. This dictionary collects many of them.

• Book of Traceable Heraldic Art

  A compendium of free-to-use heraldic images from a variety of sources. The Viking Answer Lady hosts a similar page of her own images.

• DrawShield

  An online application that allows you to create designs based on heraldic language. Although not all-encompassing, it allows a surprisingly wide range of possibilities, and the site also hosts a wide array of related resources, including a gallery, heraldic tutorial, and some heraldic dictionaries.

• Portal:Heraldry/Web resources

  Wikipedia's list of external heraldic resources, including heraldic authorities in some countries.

• Chivalric & Heraldic Terminology

  The misspelling of the URL (chivarlic) isn't indicative of the quality of the content: it contains quite a few rare terms that are difficult to find elsewhere.

• Official Blazons Wiki

  Official descriptions of national (and some regional) coats of arms and emblems.

• Escutcheons of Science

  Arms of notable scientists, explorers, and industrialists, maintained by French engineer Dr. Gerard P. Michon.

• Arkiv Jan Raneke

  A detailed Swedish classification of European noble coats of arms with charming hand-drawn art.

• Stemmatographia

  An armorial combining fictional and historic arms that is influential in the Balkan region.

• Heraldry of the World

  Not only a great reference for civic and regional arms, but also a veritable collection of historic artifacts.

• Europeana Heraldica

  The Finnish state records of arms relating to that country's history.

• Heraldry in the Scher Collection

  A collection of coins with heraldic designs.

• Period Armorials Online

  A listing of over 150+ period heraldic rolls and miscellaneous records.