| Description | Letters to De Beer from McGraw-Hill, publishers of the McGraw-Hill Encyclopedia of Science and Technology, (New York: 1971-1977), regarding De Beer's contribution of entries on himself and Sir Julian Huxley (1887-1975) [drafts enclosed]. Letters dated 1973 from Edgardo Macorini to Lady Cecily De Beer, regarding the editorial changes to De Beer's text. |