1. IOR/R/20/G/200 Reference (shelfmark): IOR/R/20/G/200 Title: Visit of Secretary of State to Aden, 1961 [recommended replies to the Federal rulers and background regarding Anglo-Yemeni relations and future developments in the Yemen] 3 Apr 1961 typ Secret Collection Area: India Office Records and Private Papers Languages: English Date Range: 1961 Extent: 1 volume