Correspondence between the Royal Entomological Society of London and the Zoological Society of London regarding the election of the President of the Royal Entomological Society as an ex officio honorary member of the Zoological Society
Correspondence with C E Ranson of The Nature Conservancy regarding the third London airport
Correspondence between the Sir Martin Wyatt Holdgate and Fellows of the Zoological Society of London
Policy papers by the President of the Zoological Society of London, Sir Martin Wyatt Holdgate
Circulars, printed papers and correspondence of Dr Bidder, mainly concerning the Meetings of British Zoologists, the forming of the Association of British Zoologists, and urging the split of the British Museum and the Natural History Museum. Most are from 1920's and are unordered. Includes letters from Prof. Balfour-Browne, P Chalmers Mitchell and E Ray Lankester, etc
Bidder, Dr GPLetters concerning the Symposium held on 11-12 June 1987; correspondence with William Timym about his bronze Oryx model
Correspondence with the New York Zoological Society regarding the diet of Humming Birds from Ecuador
Correspondence between the New York Zoological Society and George Soper Cansdale regarding the exchange of animals between the Zoological Society of London and New York Zoological Society
Letter from the New York Zoological Society regarding the acquisition of an Indian Rhinoceros
Correspondence between the Museum of Zoology at the University of Cambridge and Geoffrey Marr Vevers regarding eggs for the egg-tasting panel, and a donation of grass snakes to the Museum of Zoology