- In the year of MunichRoy Douglas
- New alliances, 1940-41Roy Douglas
- World crisis and British decline, 1929-56Roy Douglas
- The advent of war, 1939-40Roy Douglas
- From war to cold war, 1942-48Roy Douglas
- From war to cold war, 1942-1948Roy Douglas
- 1939Roy Douglas
- Taxation in Britain Since 1660Roy Douglas
- Land, people, & politicsRoy Douglas
- The history of the Liberal Party, 1895-1970Roy Douglas
