Letters from Sir Henry Keppel to Philip Lutley Sclater regarding the localities of the animals he sent to the gardens of the Zoological Society of London, and giving thanks for a card of admission to the gardens
Correspondence between Dennis Kerr and Geoffrey Marr Vevers regarding animals sent to the Zoological Society of London by Kerr, and future requests
Correspondence with Dennis Kerr regarding payments to be received and animals he supplied to the Zoological Society of London
Letters from D F Kerr of Trinidad Leaseholds Ltd offering to collection animals from Trinidad for London Zoo
Letters from James Kerr to Philip Lutley Sclater regarding the paper his son wrote for the Ibis, and the voyage of the Bolivia to Paraguay
Letters from Sir John Graham Kerr to Philip Lutley Sclater regarding lists of birds, his degree course, his collection of birds, and papers
Letter from W A Kerr to Philip Lutley Sclater resigning from the Fellowship of the Zoological Society of London
Letter from Otto Kersten to Philip Lutley Sclater regarding his East African exploring project
Correspondence with Khan Wild Animal Farm regarding the supply of animals, such as two Royal Bengal Tiger Cubs which were sent to Dudley Zoological Society