Two volumes containing letters and papers on public affairs addressed to the Earl of Orrery, 1657-75.

Míreanna comhchosúla

• The fourth Earl of Orrery's copy of his grandfather's famous play "Herod the Great", interleaved and containing a memoir on his writings by the 4th Earl.
• Volume containing copies of the 5th Earl of Cork and Orrery's letters to The Busybody, written in his own hand, Oct., 1759.
• The first volume of a long essay on English history by the 5th Earl of Cork and Orrery, in his own hand, 1760.
• Letters and documents from and about John Honohane, steward of the estate of the Earl of Orrery, 1703-31, but mostly 1703-20.
• Eight volumes of business letters of the 4th and 5th Earls of Orrery, dealing mostly with their estates in Ireland and England, many of them originals, 1714-45. Vol. 3 contains copies of leases and an account of the Caledon estate.