Letters from Robert Oliver Cunningham to Philip Lutley Sclater regarding his research and other papers

Letters from Sir John Graham Kerr to Philip Lutley Sclater regarding lists of birds, his degree course, his collection of birds, and papers

Letters from Sir Edwin Ray Lankester to Philip Lutley Sclater regarding a house for tropical apes in the gardens of the Zoological Society of London, P T Barnum, and papers on okapi

Letter from Macmillan & Co. Ltd. to Philip Lutley Sclater regarding a collected edition of the papers of the late Professor Huxley

Papers regarding the symposia 'Zoos and Conservation' at the Zoological Society of London, including correspondence, speeches and reports

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

The 'World List': an alphabetical list of all the periodicals in all countries publishing the results of scientific research, with standard abbreviations for the titles of each. At this point, Peter Chalmers Mitchell was the Chair

The Zoological Record is a print and electronic index of zoological literature. It is the world's oldest continuing database of animal biology. Considered the world's leading taxonomic reference, and with coverage back to 1864

Paper on Okapis for consideration at the Garden Committee and Council Meetings on the 18th an 19th September 1934

Papers written on animal classifications, geographical distribution of animals and adaption in animals