English Finance
- Entry from the 1911 Encyclopaedia Brittanica. Courtesy of the LoveToKnow Corporation.
- http://www.1911encyclopedia.org/English_Finance

The Taxatio Database
- A database containing the valuation, plus related details, of the English and Welsh parish churches and prebends listed in the ecclesiastical taxation assessment of 1291-2.
- http://www.hrionline.ac.uk/taxatio/

The National Archives: Taxation Records Before 1689
- This research guide to official records of medieval and early-modern taxation includes a history of lay and clerical taxes in England and Wales.
- http://www.catalogue.nationalarchives.gov.uk/RdLeaflet.asp?sLeafletID=226

A brief history of the Treasury
- An official history of the Treasury.
- http://www.hm-treasury.gov.uk/about/about_history/about_history_history.cfm

Taxation: A Brief history
- The Inland Revenue's history of Income Tax.
- http://www.inlandrevenue.gov.uk/history/

Dialogue Concerning the Exchequer
- A late twelfth century essay concerning all that went on at the bi-yearly meetings of the medieval exchequer officials, and branches out into a description of all the sources of revenue of the English crown, and of the methods of collecting them. From the
- http://www.fordham.edu/halsall/source/excheq1.html