1. IOR/R/20/B/1163 Reference (shelfmark): IOR/R/20/B/1163 Title: File C.21/1 Pt 1 1938 Sec. Secret Documents: admiralty documents in the possession of the Port Officer Aden, Civil Administrator Kamaran and Perim Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1938-Dec 1939 Extent: 1 file