- Freeman, Joseph2
- Andreev, Vasilii1
- Atholl, Katharine Marjory Stewart-Murray1
- Besedovskii, Grigorii1
- Chamberlin, William Henry1
- Dovzhenko, Alexander1
- Eastman, Max1
- Hubbard, Leonard E.1
- James, C. L. R.1
- Krivitsky, W. G.1
- Kropotkin, Petr Alekseevich1
- Liberman, Matviei Nikolaevich1
- Littlepage, John D.1
- Pares, Bernard1
- Russinow, Andrei1
- Smith, Andrew1
- Spannocchi, Lelio1
- Trotsky, Leon1
- Varga, Eugen1
- Vishniak, Mark Venʹiaminovich1