Letters from Arthur Gardiner Butler to Philip Lutley Sclater regarding attendance at committee meetings and illustrations for publications
Copies of letters regarding the drainage system of the gardens of the Zoological Society into Regent's Canal, with accompanying map
Letters from Sir Lawrence Alma Tadema regarding an unmounted lion's skin and a letter in support of an artist being allowed to study in the Zoological Gardens
Letters from Jacques Louis Raoul Duval Eprémesnil to Philip Lutley Sclater
Letters from Elizabeth Matilda Dickens to Philip Lutley Sclater regarding tickets for the gardens of the Zoological Society of London
Letters from Rudolph Effeldt to Philip Lutley Sclater
Letters from James Cossar Ewart to Philip Lutley Sclater regarding repeating Lord Morton's giraffe experiment and an examination of a piece of skin sent by Harry Johnston
Letters from Martin Theodor von Hueglin to Philip Lutley Sclater regarding his departure for Spitzbergen and his treasures of the three natural kingdoms
Letters from Hunter and English to Philip Lutley Sclater regarding the well pumps in the gardens of the Zoological Society of London, with a report on the well and pumps
Letters from Robert A Mitchell to Philip Lutley Sclater regarding committee meetings of the Zoological Society of London and the settlement of his late brother's affairs and a claim by the Zoological Society