Eighteenth Century Collections Online (ECCO) is a comprehensive online archive of the Eighteenth Century Published in the United Kingdom.
This collection contains every significant English-language and foreign-language title and it was published in the United Kingdom between the years 1701 and 1800. This collections have 200,000 printed works comprising more than 33 million scanned facsimile pages. Full-text searching across all 33 million pages enables users to explore a vast range of books and directories, Bibles, sheet music, sermons, advertisements, and works by both celebrated and lesser-known.

The material has been organised and arranged into seven subject areas,
1. History & Geography
2. Social Science & Fine Arts
3. Medicine, Science & Technology
4. Literature & Language
5. Philosophy & Religion
6. Law
7. General Reference