Abstract: This file consists of three copies of the following document:'A summary of evidence available from the files of the Political Residency, Bahrain, in support of the claims of Qatar, Abu Dhabi and Muscat to the areas on their side of the boundary lines with Saudi Arabia as defined by His Majesty's Government in the negotiations commencing with the Riyadh talks in September, 1949'Physical description: Foliation: the foliation sequence (used for referencing) commences at the front cover with 1, and terminates at the inside back cover with 53; these numbers are written in pencil, are circled, and are located in the top right corner of the recto side of each folio.