1. DMO/ADD/71/1 Reference (shelfmark): DMO/ADD/71/1 Title: ‘Index to General Staff Appreciations and Memoranda prepared for the Cabinet, &c.’ Printed May 1922. ‘Secret.’ Scope & Content: A subject index covering papers dated from September 1915 to December 1921. Collection Area: Map Collections Languages: English Date Range: 1915-1922 Extent: 96 pages