- Engels, Friedrich2
- Shaplen, Joseph2
- Shub, David2
- Anastasoff, Christ1
- Arnot, Robert Page1
- Cahan, Abraham1
- Chamberlin, William Henry1
- Crayfield, E. S.1
- Ellenbogen, Wilhelm1
- French, R. M.1
- Kautsky, Karl1
- Kern, Eberhard Günther1
- Laubenheimer, Alfred1
- Mayer, Milton1
- Minskii, N. M.1
- Polonskiĭ, Vi︠a︡ch1
- Portugeis, S.1
- Radek, Karl1
- Shaplen, Josep1
- Smith, Maria1