The information on this web site may be derived from information compiled by and/or copyright of English Heritage, CADW, various County Councils and other individuals and organisations. All the sources given should be consulted to identify the original copyright holder and permission obtained from them before use of the information on this site for commerical purposes. I do not receive any income from this site and I fund it myself. The bibliography owes much to various bibliographies produced by John Kenyon for the Council for British Archaeology, the Castle Studies Group and others.