Archives Unbound Under Databases on library web site
See collections within the Archives Unbound series.
Archives Unbound: British and European History Under Databases on library web site
Collections of historic documents on British and European
history.
Gale Primary Sources Under Databases on library web site
How They Lived: An Annotated Tour of Daily Life Ref CB 69.2 C56 2016
Through History Primary Sources
JSTOR Nineteenth-century British Pamphlets Under Databases on library web site
Milestone Documents in World History (4 Vols.) Ref D 5 M55 2009
The Times (London) Digital Archive, 1785-2019 Under Databases on library web site
Each of the following contains the full text of selected books in online form.
Google Books (The electronic reproduction of print books can be uneven in quality.)
HathiTrust Under Databases on library web site
Project Gutenberg Ebook Collection Under Databases on library web site