Access to Archives (A2A) is a searchable database providing access to catalogue records of archives held in over 400 local record offices, libraries, universities, museums and other repositories throughout England and Wales.

Acronym Finder claims to provide the world's largest and most comprehensive searchable database of acronyms, abbreviations and initialisms.

The Statistics area of the Bank of England's web site has an extensive range of monetary and financial data. This includes information on base rate changes since 1970, which is available in various different formats in the Interest and Exchange Rates section.

The BBC's news site, providing frequently updated news from the UK and around the world. The “Business” section has current market information.

Links to a wide range of general reference sources, the majority of which are free, selected by British Library staff.

The British Standards Institution (BSI) is the UK's national standards body. This section of the BSI's site provides a bibliographic, citation and full text database of over 55,000 British and international standards documents. Searching for British Standards and viewing search results is free to all. Those who register are able in addition to view summaries and to order hard copy documents online. Unlimited online access to British Standards in full text is available only to subscribers.

Searchable database providing contact details and short descriptions of aims and activities relating to over 160,000 charities in the UK. Search options include sector, name, location, and charity registration number.

Companies House, an executive agency of the Department for Business, Innovation and Skills, carries out a number of functions, including registration, relating to limited companies and company records in the UK. Basic company information, a list of disqualified directors, forms and guidance booklets are accessible free of charge. An extensive section is devoted to the Companies Act 2006. More detailed information and a range of other services are available as subscription services.

This site offers several search facilities including "Dictionary", "Thesaurus" and "Reference". Sources for the Dictionary entries include Webster's New Millennium Dictionary, the American Heritage Dictionary, and several medical and other specialist dictionaries. Thesaurus entries are from Roget's Thesaurus, and Reference sources include the Columbia Encyclopedia and Wikipedia web sites. Other reference content on the site includes quotations and a translator.

This page on the European Commission web site provides links to online databases and guides to style and clear writing in the official languages of the EU. There are also links to a number of resources dealing with EU terminology.

Guidance on how to address ministers, the judiciary, peers, members of parliament and others verbally and in writing is provided in this section of the archived Ministry of Justice web site.

Interactive online maps which can be manipulated by dragging, zooming and panning. Businesses and other locations, including for example courts, with their addresses, can be searched for within the selected area, and there is a facility for obtaining step-by-step directions between any two chosen points. Although the home page of this UK site is centred on the British Isles, detailed maps for much of the rest of the world are also accessible.

Scholarly encyclopedia, written by over 2000 scholars and experts, covering the lives and works principally of English literary authors, as well as philosophers, musicians and artists. Some major non-English figures are also included. Other features of the site include an English style book and a glossary of literary terms. Some of the site content is free, but many features and functions are available only to subscribers.

The Met Office is the UK's national meteorological service. Its web site has extensive weather and climate information and news, including UK and world forecasts. There is a five year archive of news releases.

A guide to sources of information on the history of money and contemporary monetary developments, compiled by Roy Davies, a librarian (now retired) at the University of Exeter. The section "Current Value of Old Money" provides links to sources on changes in the value of money over time.

The National Archives is the official archive of the UK government, responsible for looking after the records of central government and the courts of law and for making them as widely accessible as possible. It is an executive agency of the Ministry of Justice. The site has an extensive range of research guides and other information, including an online catalogue containing 11 million descriptions of documents. For archived digital government information, including archived "snapshots" of current and defunct government department web sites, select the home page quick link to "UK Government Web Archive".

Information on Britain's national rail network, including rail maps, guidance on journey planning and ticket purchase, live departure and arrival boards, and details of current service disruptions and engineering works. There are links (from the foot of any site page) to the individual train operating companies, many of which have downloadable timetables. Select "Timetable" near the foot of any page for a link to the Network Rail site where the complete National Rail Timetable is available online. Under the "Travel abroad" tab there is information with links relating to train travel to Europe.

Comprehensive currency site containing a currency converter and several other free online currency tools including historical exchange rates. The currency converter covers all the world's currencies and four metals, and historical exchange rates are searchable from 1 January 1990 onwards.

The Office for National Statistics, the executive office of the UK Statistics Authority, is responsible for producing a wide range of economic and social statistics relating to life in the UK (including crime and justice), and for conducting the decennial population census. Information on its web site includes inflation tables (the Consumer Prices Index and the Retail Prices Index), trade figures, health statistics, and earnings and employment data.

Section of the official UK statistics site, providing information on, and tables of, the Consumer Prices Index, which the Government regards as the main UK domestic measure of inflation for macroeconomic purposes, and the various versions of the Retail Prices Index.

Extensive set of online conversion tools covering units of area, length/distance, speed, temperature, volume, weight and many others.

This site, produced by Britain's national mapping agency, features maps of the UK upon which administrative and electoral boundaries are marked, including those of local authorities, parliamentary and assembly constituencies, and European regions. Maps can be shown in a range of scales down to street level, and can be manipulated by zooming, dragging and panning.

This site, hosted by the Sauder School of Business at the University of British Columbia, provides current exchange rates but is designed primarily to provide historic rate data for academics and researchers. For the US dollar, Japanese yen, sterling and several major European currencies data extends back to 1971.

BT's free online directory enquiries service. Individuals can be searched by name and location; businesses by name and location or type of business and location. There is also information on UK and international dial codes.

Information on all of the Post Office's postal and other services, including online UK postcode and address finders.

Public Bodies is an annual directory published by the Cabinet Office which provides information on non-departmental public bodies (NDPBs) sponsored by the UK government. All editions from 1997 to the current one are available (1997 and 1998 directly, 1999 onwards as downloads) via this page on the GOV.UK web site.

Web site of Reuters' news agency in the UK, providing extensive business and financial news in addition to general national and world news. Registration (free of charge) is required for some sections of the site.

On the web site of the Nova Roma society, this page provides a converter from Roman numerals to arabic and vice versa, together with a brief explanation of how the Roman numbering system works.

Information on all Royal Mail services, including tables of postal prices and postcode and address finders.

Street map and address searching facilities for Great Britain, searchable by postcode, street or place.

Extensive tabulated information and calculators relating to many aspects of time and dates. The "World Clock" in the Current Time section has current local times around the world. For all listed locations daily sunrise and sunset times are available, not just for the current year but also for earlier years, in some instances back to 1965. In the Calendar section there are yearly and monthly calendars for the years 1 to 3999. Other sections include an International Dialling Codes service, with information on dialling between many locations worldwide.

The UK Web Archive collects and preserves UK web sites of cultural, historical and political importance. It is provided by the British Library in partnership with the National Library of Wales, JISC and the Wellcome Library, and in collaboration with other specialist libraries. "Government, Law & Politics" is one of the collection's main categories, and its subcategories include "Law and Legal System", "Crime, Criminology, Police and Prisons" and "Public Inquiries".

Worldwide weather information, with conditions and forecasts for over 60,000 locations, about 300 of them in the UK. For many locations there is historical information on daily conditions back to 1996. To access this select "History & Almanac" under the relevant location.

English language edition of the collaboratively written free online encyclopedia, containing more than four million articles and covering up-to-the-minute issues and developments besides traditional encyclopedia subjects.

Online reference book (formerly also available in a print edition but now online only) published by the United States Central Intelligence Agency and updated every two weeks. It contains economic, political and geographical information on all countries and areas of the world, as well as maps. Appendices include a glossary of abbreviations, a list of international organizations, and a list of place-names cross referenced to country entries.

News and information on a wide range of financial topics, including market news and a currency converter. Market information includes historical share prices, to access which first select the company name via the "Get Quotes" box and then select the Historical Prices option on the company page that opens.