Document Sladen to World Wide Magazine, 1913-05-30 Online content Unit ID: SLA. 39/139 Date: 1913-05-30
Document World Wide Magazine to Sladen, 1913-05-29 Online content Unit ID: SLA. 39/143 Date: 1913-05-29
Document World Wide Magazine to Sladen and Sladen to F. Butterworth, 06 June 1913-07 June 1913 Online content Unit ID: SLA. 39/144 Date: 1913-06-06/1913-06-07