- The Foundations of Modern Imperial Policy, 1860–1925 (1926)
- Dryden (Masters of Literature, 1927)
- The Dryden Poems, 1649-1680 (1904)
- Historical Associations with the Scottish Highlands (1917)
- John Dryden (1904)
- The United States and South Africa, 1865–1906: Anglo-American Relations in Relation to the Expansion of South Africa (1906)