A collection of papers mainly relating to the herpetology of Hong Kong, including a typewritten papers entitled 'Notes on the Geckos of Hong Kong', a series of black and white photographs (plus negatives) showing a Hong Kong landscape with accompanying notes detailing the collection of herpetological specimens, a list of reptile and amphibian specimens in Romer's collection, two colour photographs and accompanying sketch of a turtle (Trionyx steindachneri), and Romer's curriculum vitae
Papers regarding the symposia 'Zoos and Conservation' at the Zoological Society of London, including correspondence, speeches and reports
Letters from Alfred Russel Wallace to Philip Lutley Sclater regarding the purchase of a joint residential estate, extracts read at meetings of the Zoological Society of London, papers for the Proceedings of the Zoological Society of London and Natural Science, his publication on 'Monkeys - their structure, affinities and distribution', a shipment of birds for the Society, improvements to the Gardens of the Zoological Society of London, notes on the Umbrella Bird, his election as a Fellow, papers on marine mammals, opinions on theories by Darwin, Birds of Paradise, and a list of butterflies of Costa Rica
Handwritten notes on J D Romer's published articles, papers and memoranda, plus a crossed-out distribution list for reprints
Papers for the Elliot Smith Centenary Symposium on Primate Biology at the Zoological Society of London, including correspondence and notes
Letters from Frederick Courteney Selous to Philip Lutley Sclater regarding his papers, notes on his egg collecting trip to Asia Minor, admission to the Gardens of the Zoological Society of London, a donation towards the International Congress of Zoology, notes on the red Rhebuck, meetings the Zoological Society of London, the horns of a white rhinoceros, his election as a corresponding member of the Society and accounts of his travels
Letters from St George Jackson Mivart to Philip Lutley Sclater regarding papers he was writing for the Zoological Society of London, and his resignation from the Council of the Zoological Society
Notebook of manuscript copies of printed papers by Hodgson, 1848; letter from Darjeeling, 1847(?); letter to the editor of the Sporting Magazine, 1846
Letters from Sir Harry Hamilton Johnston to Philip Lutley Sclater regarding posts open at the Foreign Office for the consular department, the Kilimanjaro Expedition, papers on birds, mammals and insects from Kilimanjaro, medals to be awarded for services to zoology, animals and specimens sent by Mr Johnston to the Zoological Society of London, drawings of animals, a visit to the gardens of the Zoological Society of London by the Katikiro of Uganda and his party, and his election as a member of the Council and attendance at meetings, and the Zoological Club