Correspondence between Sir Arthur Landsborough Thomson and L Harrison Matthews regarding the XI International Ornithological Congress, Scientific Meetings, the Medical Research Council's Radiobiological Research Unit, the International Congress of Zoology, Council Meetings, Goliath Herons, reports of the Prosectorial Sub-Committee, meetings of the Publication Committee, the British Ornithologists' Union, the proposed advertisement for the Curatorship of the Aquarium, Corresponding Membership, and meetings of the Selection Committee and Planning Committee

Correspondence with W W Henderson regarding the supply of stoats, weasels, herons and owls to the Zoological Society of London

Letter from R Merry regarding information on heronry at Crepy Hall. He talks of a series of inheritance disasters and eventual burning down of Crepy Hall