Eighteenth Century Collections Online The Eighteenth Century Collections Online (Parts I and II) is a full-text searchable digital database of over 180,00 English-language and foreign-language titles printed in the United Kingdom during the 18th century, along with thousands of works from the Americas. It includes a variety of materials, from books and directories, Bibles and sheet music to sermons and advertisements, Includes both well-known and lesser-known authors and canonical titles of the period as well as contemporary works that analyze and debate those same titles.