Comprises:

'Turnbull, Sir Richard', correspondence with Turnbull, Governor of Tanganyika (later Tanzania), and related papers, 1953-1968

'Turner, Col. R[alph] B.', correspondence with Turner, Commissioner for South Africa in East African Territories, and related papers, 1926-1950

'Twining, Lord', correspondence with Sir Edward, [later Baron] Twining, Governor of Tanganyika (later Tanzania), and related papers, 1926-1968

'Tyrrell, T[homas] W.', correspondence with Tyrrell, business consultant, Tanganyika (later Tanzania), 1951-1960

'Tyson, George [A.]', correspondence with Tyson, chartered surveyor and Mayor of Nairobi, and related papers, 1943-1961

'Ua'-'Ut', 1924-1961, including materials relating to Charles Udall, Mayor of Nairobi; the Bishop of Uganda, Rev. Leslie W. Brown; The Uganda Herald; The Uganda Post; the Union-Castle Mail Steamship Company; the Union of Democratic Control; the United Kenya Protection Association; the United Northern Rhodesia Association; the United Party of Southern Rhodesia (later Zimbabwe); and Edgar I.G. Unsworth, Chief Justice, Nyasaland (later Malawi)