This is an autograph letter signed from Leonard Horner to [Samuel Birch], dated 18 August 1861, Bury St Edmonds. The letter relates to the hypothesis that burnt bricks were known in Egypt before the time of the Romans, which Birch, Lyell and Horner defended against Archdeacon John Pratt.

The collection is composed of notes mainly on Egyptian hieroglyphics, including studies for a dictionary of hieroglyphics. In addition to the volumes and boxed notebooks there are a number of folded documents and miscellaneous manuscripts.

Illustration of hieroglyphs of Ramses II followed by his sons in horse drawn chariots on the hunt.

Three panels of Egyptian hieroglyphs: the Judgement Scene-Ani's heart being weighed in the balance; the Sekhet Hetepu or Elysian Fields; and the Funeral Procession.