The UK's vexillogical organisation. Includes details of the Union Jack, the flag library in Hull, publications and about vexillology.
Flags of the World: England
Description of the flag, earliest use and other uses, and flags of the English counties, regional and municipal flags. Includes an illustration and discussion of the Banner of England.
Flags of the World: Scotland
Origins and history, legendary origins, use of the flag and Scottish law pertaining to the flag, and flags of the Scottish districts and municipalities.
Know How: The Union Jack
Highlighting the history and meaning of the union Jack that is made up of three different national symbols. Information available in English and Italian.
The Union Jack
Highlighting the history of the Union Jack and how it became named with an explanation of its use as a ensign.
World Flag Database
A London based institute offering a full index containing more than 260 pages of flags of countries and international organisations.