- Communist International1
- Communist International Congress1
- Communist International. Congress1
- Drachkovitch, Milorad M.1
- Dutt, Rajani Palme1
- Foster, William Z.1
- Gruber, Helmut1
- James, C. L. R.1
- Lazić, Branko M.1
- Leibzon, B. M.1
- Marcou, Lilly1
- Nollau, Günther1
- Pirker, Theo1
- Székely, Gábor1