New York: Monthly Review Press, 1967.
Etiqueta: Estados Unidos
Keil – Jentz, eds. German Workers in Industrial Chicago, 1850-1910.
DeKalb: Northern Illinois University Press, 1983.
Edward Johanningsmeier. Forging American Communism.
Princeton, N.J.: Princeton University Press, 1994
James Barrett. William Z. Foster and the Tragedy of American Radicalism.
Urbana: University of Illinois Press, 1999.