“LLANDAFF | Coflein”. coflein.gov.uk. 19 March 2020閲覧。 “Although known historically as a ‘city’, due to its status as the Seat of the Bishop of Llandaf, it was never incorporated, and by the 19th century was considered little more than a village. Llandaf was gradually absorbed into the borough of Cardiff during the 19th and 20th centuries; and was officially incorporated into the city in 1922.”
“St Asaph: A new Diamond city for North Wales”. GOV.UK. Office of the Secretary of State for Wales (14 March 2012). 26 December 2018閲覧。 “The Cathedral city was previously the only one of the twenty two ancient cathedral dioceses in England and Wales (pre-Reformation) not to have been awarded city status.”
