SOCIETY FOR CONSTITUTIONAL INFORMATION: Arthur Onslow Esq of Middle Temple proposed member 7.5.1790 by John Lockhart 2nded Thomas Brand Hollis & Benjamin Cooper
General Advertiser 30.4.1785 Arthur Onslow Esq steward of Freemasons anniversary dinner. Morning Post 16.10.1794 list of witnesses for treason trials. Arthur Onslow 1759-1833 MP for Guildford 1812-1830 historyofparliamentonline (1790-1820 & 1820-1832)