1. DMO/ADD/52/3/1 Reference (shelfmark): DMO/ADD/52/3/1 Title: No. 1. Note by Lord Esher.' Printed for the Committee of Imperial Defence. January 1911. 'Secret. Scope & Content: Relates to the requirements and arrangements for mutual defence Collection Area: Map Collections Languages: English Date Range: 1911 Extent: 1 fascicule (3 pages)