Author/Creator
Marx, Karl
8
Engels, Friedrich
6
Collins, Henry
2
McLellan, David
2
Abramsky, Chimen
1
Avineri, Shlomo
1
Bender, Frederic L.
1
Bottomore, T.B.
1
Charles, Heinrich
1
Draft, Rough
1
Draper, Hal
1
Gronow, Jukka
1
Gumbrell, Colin
1
Hook, Sidney
1
Kahan-Coates, Zelda
1
Kettle, Arnold
1
Lewis, John
1
Liebknecht, Wilhelm
1
Mendel, Alfred O.
1
Nicolaus, Martin
1
Peters, Heinz Frederick
1
Rubel, Maximilien
1
Runes, Dagobert D.
1
Ryazanoff, D.
1
Schwarzschild, Leopold
1
Trotski, Leon
1
Untermann, Ernest
1
Wheen, Francis
1