Letters from William Yarrell regarding a heraldic question raised by Edward Turner Bennett, an unspecified dispute which had been considered at a meeting of the Council at Grosvenor Square, and a manuscript of Walcott's 'British Birds' asking Bennett to allow the dates 1784 and 1785 to stand since Walcott left Teignmouth for Chelsea in 1786 and was resident in Chelsea in 1787
Correspondence between M G Yearsley and George Soper Cansdale regarding the collecting of animals for the Zoological Society of London
Letter from John Yelland, apologising for not being able to bring back any small Hawaiian birds for the Zoological Society of London
Correspondence between the Yellow Fever Research Institute in Entebbe, Uganda and Geoffrey Marr Vevers regarding a shipment of Monkeys and Red River Hog for the Zoological Society of London
Correspondence with George Soper Cansdale regarding enquiries to Zoo Life
Correspondence regarding Zoo Time and the Zoological Society of London
Correspondence between the Zoological Garden in Alipore and the Zoological Society of London regarding a collection for the Society being shipped from Colombo to Calcutta by Mr Osman Hill
Correspondence between the Zoological Garden in Alipore and Geoffrey Marr Vevers regarding specimens collected by Mr Frost, and a request for Chimpanzees and a Pigmy Hippopotamus
Correspondence with Geoffrey Marr Vevers regarding the Zoological Gardens in Alipore, Calcutta, offering temporary housing to animals being sent to the Zoological Society of London, including a pair of panther cubs