| Year | Work | % Correct |
|---|---|---|
| 1918 | The State and Revolution | 84%
|
| 1902 | What Is To Be Done? | 79%
|
| 1917 | Imperialism, the Highest Stage of Capitalism | 74%
|
| 1920 | Left-Wing Communism: an Infantile Disorder | 37%
|
| 1918 | The Proletarian Revolution and the Renegade Kautsky | 32%
|
| 1904 | One Step Forward, Two Steps Back | 26%
|
| 1909 | Materialism and Empirio-criticism | 21%
|