General papers on Southern Rhodesia [later Zimbabwe], including: pamphlet by John Biggs-Davison for the British Commonwealth Union; pamphlet of collected articles by Dean Acheson on the Rhodesian question; extracts from Hansard; record of a meeting between JA and [Thomas] George Thomas, Minister of State for Commonwealth Relations [later 1st Lord Tonypandy] on JA's forthcoming visit to Rhodesia [Mar 1967] and the Government's policy on Rhodesia; chronology of events, 1971-72.