The Papers and Correspondence of Arthur Berriedale Keith contain Colonial Office correspondence between 1901 and 1914; correspondence about constitutional matters from 1908 to 1939; correspondence, literary and general, with political figures such as R. Stafford Cripps and Herbert Samuel; material relating to the Government of India Bill, 1931-35, and to the Peace Treaty, 1919; news cuttings on Crown matters involving the abdication and coronation, 1936-37; material on Malta between 1924 and 1940; material on the Beaverbrook Case; material including correspondence with Muriel Blundell and Sylvia Pankhurst on British policy towards Italy after the invasion of Ethiopia; correspondence on the subject of Keith's revision of The law and custom of the Constitution; oriental papers, correspondence, and a number of Sanskrit books; and, miscellaneous papers. There is also material relating to Keith's career.
The Burton addition to the papers includes several folders which contain offprints of articles written by Keith and more than 100 letters he wrote to the press. There are also copies of reviews of his books. There is substantial correspondence with his sister, and a collection of letters of recommendation and reference written early in his career. There are also materials related to his death and following. The Burton addition contains several folders which include copies of materials related to the receiving of an honorary degree from Leeds University, and a small group of letters written by Keith to his mother. Lastly, there is a group of material related to his death and to how various bequests were dealt with. There is a copy of his will.