These major university libraries and national libraries and archives host important digital collections covering the history and culture of Great Britain.
For books available within the libraries, see search UW Libraries Search using the strategies shown on the Books as Primary Sources page.
Most government material is housed in the Government Publications section on the ground floor of Suzzallo Library. Librarians there can help you find material you need.
To find published letters and diaries available at the UW Libraries search UW Libraries Search using the terms: correspondence or diaries
To find additional freely available digitized historic newspapers see ICON: International Coalition on Newspapers. For contemporary newspaper coverage (roughly since 1990) see the e-Newspapers guide.