HARLEY, Robert, 1st Earl of Oxford, letters, autographs, documents, manuscripts Home | Archive | Facsimiles | Forgeries | Back HARLEY, Robert, 1st Earl of Oxford (1661-1724). Statesman. Signature ('Oxford') and the last five lines cut from a treasury document, dated 21 July 1712. [No: 7851] This is the archived description of an item that has already been sold. Please contact me if you would like any further intormation.