Board of Longitutde

The archives of the Royal Greenwich Observatory, held in Cambridge University Library, include the complete run of the surviving papers of the Board of Longitude through the eighteenth century until its abolition in 1828. 

Eighteenth-Century Studies

This collection archives works of the eighteenth century from the perspectives of literary and cultural studies.

Eighteenth-Century Resources

This is the website to go to first for researching the 18th Century, this site is maintained by Jack Lynch.

British Government Records: 18th Century

This is a brief guide to help you find records about 18th century British political History at the UK National Archives