This collection consists of correspondence from 19th century British politician Charles Philip Yorke to various family members and fellow politicians. Materials in the collection also include letters from Yorke's brother, Sir Joseph Sydney Yorke, and a naval report from his nephew, Charles Philip Yorke, 4th Earl of Hardwicke.

Most of the correspondence concerns British political events of the early 1800s, most notably the ministries of Henry Addington and William Pitt the Younger. Also included is a letter from conservative activist John Reeves to Yorke, as well as two letters from George IV.