Comprises: folder 1 (fols. 1-17) notes by Margery Perham on Zanzibar and Tanzania, 1947-1969 folder 2 (fols. 1-29) correspondence about constitutional advance and about the imprisonment of Zanzibari Ministers after the revolt, including correspondence with Nyerere about the possibility that Tanzania might leave the Commonwealth, 1950-1971 folder 3 (fols. 1-16) Central...