- Marx, Karl, 1818-1883 (18)
- Engels, Friedrich, 1820-1895 (13)
- Aveling, Edward Bibbins, 1851-1898 (5)
- Moore, Samuel (5)
- Untermann, Ernest (4)
- Fowkes, Ben (3)
- Mandel, Ernest, 1923- (2)
- Collard, David A. (1)
- Fernbach, David (1)
- Grossmann, Henryk, 1881-1950 (1)
- Hausman, Daniel M., 1947- (1)
- Hicks, John Richard, Sir, 1904-1989 (1)
- Mandel, Ernest, 1923-1995 (1)
- Paul, Cedar (1)
- Paul, Eden, 1865-1944 (1)