Searchable full text of the digital images of about 150,000 English-language titles and editions published between 1701 and 1800, comprising "in essence, every significant English-language and foreign-language title printed in the United Kingdom, along with thousands of important works from the Americas."

The collection is divided into seven subject areas:

1. History and Geography
2. Social Science and Fine Arts
3. Science, Technology, and Medicine
4. Literature and Language
5. Philosophy and Religion
6. Law
7. General Reference