"E.F. Law, Architect and Surveyor". Northampton Mercury. England. 17 June 1848. Retrieved 6 January 2018 – via British Newspaper Archive.
"Notice is hereby given...". Northampton Mercury. England. 4 August 1849. Retrieved 6 January 2018 – via British Newspaper Archive.
"Robert Clarke". Nottinghamshire Guardian. England. 5 February 1852. Retrieved 6 January 2018 – via British Newspaper Archive.
"Mr. R. Clarke". Nottinghamshire Guardian. England. 14 December 1854. Retrieved 6 January 2018 – via British Newspaper Archive.
"Death of Mr. Robert Clarke". Nottinghamshire Guardian. England. 14 December 1877. Retrieved 6 January 2018 – via British Newspaper Archive.
"We have much pleasure in announcing". Nottingham Review and General Advertiser. England. 16 June 1843. Retrieved 6 January 2018 – via British Newspaper Archive.
"New weighing machine". Nottinghamshire Guardian. England. 24 June 1852. Retrieved 6 January 2018 – via British Newspaper Archive.
"Opening of the New Theatre". Nottinghamshire Guardian. England. 13 July 1854. Retrieved 6 January 2018 – via British Newspaper Archive.
"New Church of St John, Carlisle". Nottingham Journal. England. 13 February 1864. Retrieved 6 January 2018 – via British Newspaper Archive.