Abstract: The volume contains papers relating to the question of British authorities allowing foreign subjects, mainly German, Austrian, Swedish and Swiss subjects, to enter Persia [Iran], and the desire of the British Government to prevent German agents, and individuals suspected of having pro-German sympathies, from entering Persia.Each part includes a divider which gives the subject and part numbers, the year the subject file was opened, the subject heading, and a list of correspondence references contained in that part by year. This is placed at the back of the correspondence.Physical description: Foliation: the foliation sequence (used for referencing) commences at the inside front cover with 1, and terminates at the inside back cover with 243; these numbers are written in pencil, are circled, and are located in the top right corner of the recto side of each folio.