CITING THIS RECORD "England and Wales Census, 1911," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XWLJ-5DB : 20 January 2015), John Douglas Percival, St Marylebone, W, London, England; from "1911 England and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 14, The National Archives of the UK, Kew, Surrey.