B.I.O.S. Final Report No. 1043, B.I.O.S.Trip No. 2394, B.I.O.S. Target Number: C31/4799, British Intelligence Objectives Sub-Committee</ref> | B.I.O.S. Final Report No. 1043, B.I.O.S.Trip No. 2394, B.I.O.S. Target Number: C31/4799, British Intelligence Objectives Sub-Committee</ref> |