Black exercise book. 'Working up of Travancore Monazite Sand, 12.3.21-8.3.22'; note at end dated Apr. 1939. Red exercise book. 'Measurements on Ra Ac (Miss H.) May 1925 (started) over several years'. (Reference is to Miss A. Hitchens.) Thesis on Alpha Rays of Actinium, submitted for D. Phil. Oxford by Marchese Paulo Misciatelli. (Soddy was the Supervisor of this thesis and wrote about the work to Professor Parravano, Rome, in an accompanying letter.) 1927.…