* An Economic Interpretation of History, a Marxist interpretation of history published in 1898.
* Industry and Democracy, a critical analysis of the British industrial system published in 1911.
* The War and the Working Class, a socialist manifesto published in 1915.
* The New State, a utopian vision of a socialist future published in 1919.
* The Russian Revolution, a history of the Russian Revolution published in 1921.