by C.J. Gadd., Main Heritage Shelves General, DS70.5.U7 G33 1929, Book, Item-ID: i15446955, BIB-ID: 1461103, Includes bibliographical references (p. 257-260) and index.
[with a foreword by Sir William Luce]., Map on lining paper., Main Heritage Compact General, DS247.T87 H39 1970, Reference, Item-ID: i23656177, BIB-ID: 2522777, Includes bibliographical references (pages 367-371).