Letters from Arnold Jerome Matthews to Philip Lutley Sclater regarding an expedition to the Gabon for the purpose of procuring some young living specimens of the gorilla, then available to purchase by the Zoological Society of London
Letters from Josiah McGregor to Philip Lutley Sclater regarding a Pilcomayo expedition
Letters from St George Jackson Mivart to Philip Lutley Sclater regarding papers he was writing for the Zoological Society of London, and his resignation from the Council of the Zoological Society
Letters from Rajendra Mullick to Philip Lutley Sclater regarding the arrival of the steamer 'Hydaspes' with herds and animals from the Zoological Society of London
Letters from August von Pelzeln to Philip Lutley Sclater
Letters from Sir Robert Lambert Playfair to Philip Lutley Sclater regarding a Mr Robert H Rippon or Rippin, and articles in the Proceedings of the Zoological Society of London
Letters from Sir Charles Wyville Thomson to Philip Lutley Sclater regarding entrance to the Gardens of the Zoological Society of London, elections to the Council and his description of a porcupine
Letters from Edward Pierson Ramsay, Curator of the Australian Museum, to Philip Lutley Sclater regarding the transportation of a ceratodus to the Zoological Society of London
Letters from Regent's Canal Company to Philip Lutley Sclater regarding the draining from the Gardens of the Zoological Society of London into Regent's Canal, and the proposed railway
Letters from Alfred Newton to Philip Lutley Sclater regarding the 'Record', the Royal Society and the Proceedings of the Zoological Society of London