1. IOR/R/20/C/1967 Reference (shelfmark): IOR/R/20/C/1967 Title: File 11/1S Notes on the history of the tribes now residing in the Eastern Aden Protectorate and their present area and divisions as at October 1st 1952 (corrected to 1st July 1955) by Maj E Snell, PO Collection Area: India Office Records and Private Papers Languages: English Date Range: Oct 1952-Jul 1955 Extent: 1 file