U.K. Parliamentary Papers (Proquest) This link opens in a new windowParliamentary Papers are the most detailed primary source for 19th-century Britain, its colonies and the wider world. They are the working documents of government for all areas of social, political, economic and foreign policy. They influenced public opinion and social and political philosophy, and provided a forum for the ideas of hundreds of thinkers, among them Jenner, Arnold, Trollope, Mill, Faraday, Babbage, Telford and Brunel.