Letter giving thanks for assistance rendered to Mr Lester when he was collecting animals in Sierra Leone
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
Letter from Hariett Charlotte Ramsay to Philip Lutley Sclater regarding membership of the Zoological Society of London
Correspondence and papers regarding the property Rana Cottage (Hain's Bung), Whipsnade
Correspondence between Rangoon Zoological Gardens and Geoffrey Marr Vevers regarding Colonel Ranking helping to bring home a collection of King Penguins, 24 of which went to London Zoo
Letters from G C Rankin to Philip Lutley Sclater regarding his proposed alteration in the regulations as regards Saturday tickets to the Gardens of the Zoological Society of London, with copies of replies from Philip Lutley Sclater
Correspondence with C E Ranson of The Nature Conservancy regarding the third London airport
Correspondence and papers relating a Rat Exhibition illustrating the economic damage done by rats and the role played by rats in the dissemination of disease, in conjunction with the Board of Agriculture and the Local Government Board in the Gardens of the Zoological Society of London
Correspondence with Rathbone Books Limited regarding Tristan Moorhens