Correspondence 1968 Folder containing correspondence from 1968, including two letters from Professor Robert LeVine, Vice-Chancellor, Ahmadu Bello University, to JT, 23 July and 30 August 1968, a letter from John W. M. Whiting, Department of Social Relations, Harvard University, to JT, 2 September 1968 and a letter from I. S. Audu, Vice-Chancellor, Ahmadu Bello University, to Professor Robert LeVine, 9 September 1968 1968