This collection has been arranged into 8 series as follows:

U DPM/1 Domestic Subject Files, 1945-2000

U DPM/2 International Subject Files, 1931-2000

U DPM/3 Personal Subject Files, 1927-2001

U DPM/4 Correspondence Files, 1930-2000

U DPM/5 Writings, 1943-2000

U DPM/6 Diaries, 1946-1997

U DPM/7 Legal and Chambers, 1951-2001

U DPM/8 Unity Theatre Trust, 1955-2000