1. IOR/R/20/B/1092 Reference (shelfmark): IOR/R/20/B/1092 Title: File C.4/16/7-II 1940 Sec. Defence Scheme: persons detained under the Aden Defence Regulations: Saiyid Muhammad Hasan 'Ali Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1944-Sep 1944 Extent: 1 file