1. IOR/R/20/B/1091 Reference (shelfmark): IOR/R/20/B/1091 Title: File C.4/16/7-I 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: Jun 1940-Jan 1940 Extent: 1 file