- Chukovskaia, Lidiia Korneevna2
- Ciołkoszowa, Lidia2
- Conference on the Russian Revolution2
- Copsey, Nigel2
- Costello, John2
- Crampton, R. J.2
- Cummings, Richard H.2
- Dallin, David J.2
- David Rohde2
- Davies, Norman2
- De Weydenthal, Jan B.2
- Deacon, Richard2
- Deutscher, Isaac2
- Di Nucci, Loreto2
- Dolma, Nima2
- Domaniczky, Endre2
- Dos Passos, John2
- Durham, Martin2
- Elegant, Robert S.2
- Engels, Friedrich2