Arthur Greenwood's papers consist of:
- Appointment diaries, 1917-53
- Early life, 1902-20
- Civil Service, 1916-21
- Labour Party, 1917-68
- MP for Nelson and Colne, 1919-31, with some Ministry of Health papers, 1924-31
- Parliamentary Secretary to the Ministry of Health, 1923-5, and Minister of Health, 1925-31
- MP for Wakefield, 1924-54
- Member of the War Cabinet, 1940-2 and the Attlee government, 1946-7
- Speeches and literary papers, 1903-54
- Family correspondence and papers, 1880-1955
- Photographs and newscuttings, 1880-1954
- Printed material and memorabilia, 1911-54
- Papers concerning memoirs and proposed biographies, 1949-79