Container A Ben-Tuvia (Rome) to Powell that little is known on the subject, 1966-05-23 Online content Date: 1966-05-23
Container Bruce Runnegar (Armidale) re his application to Royal Society, 1972-01-18 Online content Date: 1972-01-18
Container Correspondence with A.Disteche (Liege), 19 December 1969-20 January 1970 Online content Date: 1969-12-19/1970-01-20