Abstract: This file consists of two letters. The first letter is written by Mr H K Jones of Hawker Siddeley Aircraft Co Ltd to Harold Anthony Caccia about arrangements for communication between them through the usual channels. The second letter is between an employee from the Foreign Office and H A F Rumbold regarding the sending of confidential letters between Jones of Hawker and the company’s former employees who have left Tehran.Physical description: Foliation: the foliation sequence (used for referencing) commences at the front cover with 1, and terminates at the inside back cover with 4; these numbers are written in pencil, are circled, and are located in the top right corner of the recto side of each folio.