1. IOR/R/20/G/90 Reference (shelfmark): IOR/R/20/G/90 Title: Colony and Protectorate of Aden. Medical regulations. Secretary of State's despatch no 26 of 29 Jan 1940 Aden: C & D Bros Press with ms corrections Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: 1 volume