Letters from John Anderson to Philip Lutley Sclater regarding the Indian Museum in Calcutta

Letters from Sir George Clerk to David William Mitchell regarding the Chancellor of the Exchequer and the purchase of a museum collection of the Zoological Society of London

Letter from Sir George Cornewall Lewis to David William Mitchell regarding the Treasury not being prepared to purchase the collection of the Museum of the Zoological Society of London

Letter from Sir Charles Wood, 1st Viscount Halifax, regarding the museum collection of the Zoological Society of London

Letter from Michael Rogers Oldfield Thomas of the British Museum (Natural History) to Philip Lutley Sclater regarding the skin of a giraffe

List of specimens sent to British Museum. Presumably compiled by JE Gray and GR Gray before their published version in 1846. Lists reveal 803 mammals, 4425 birds, 663 bird skins, 21 human skulls with origins

"List of the Specimens of Mammalia in the Collection of the British Museum.", 1843. Copy signed by Hodgson. Not annotated. "List of the Specimens of Birds in the Collection of the British Museum. Part I - Accipitres.", 1844. Copy signed by Hodgson. Not annotated. "Catalogue of the Specimens of Mammalia in the Collection of the British Museum. Part III. Ungulata furcipeda.", 1852. Copy annotated by Hodgson. "Catalogue of the Specimens and Drawings of Mammals, Birds, Reptiles, and Fishes of Nepal and Tibet, presented by B.H. Hodgson, Esq., to the British Museum. Second Edition.", 1863. Three copies annotated by Hodgson.

Letters to E T Bennett (or to the Secretary of the Zoological Society). An occasional letter is addressed to John Bennett who was Edward's brother and a botanist at the British Museum. Mr Bennett commenced as Vice Secretary. He founded the library although it was, for a number of years, located in his office with less than 1000 books

Notes and memos including a Report of the Council and Report of the Auditors of the Zoological Society of London read at the Anniversary Meeting, a meeting of naturalists at the British Museum, extracts from letters to Mr Owen, and Edward Turner Bennett's account of Macropus Parryi

Letter from Gavin de Beer of the British Museum (Natural History) regarding Desmond Morris and Congo