Map; Pocket Underground map, by F H Stingemore, 1926 Map; Pocket Underground map No 2, by Henry C Beck, 1941 Map; Pocket Underground map, published and printed by Partington, 1910 Map; Pocket Underground Railway Map No 2, by Hans Schleger, 1938 Map; pocket map and guide to the Metropolitan Electric, London United and South Metropolitan Tramways, issued by Underground Electric Railway Company Ltd, 1914 Map; Pocket Underground map, by Henry C Beck, January 1933