The following list is not in any sense a bibliography or a selection based on relative importance, but simply a key to sources which recur at widely spaced intervals in the notes, supplied to enable the reader to find the complete information easily. The words "see Key" in parentheses following the first reference to a source in a new chapter indicate that the source appears in this list.
|American Labor Who's Who|| The American Labor Who's Who, edited|
by Solon De Leon ( New York: Hanford Press, 1925).
|Bell|| Daniel Bell, "The Background and Devel-|
opment of Marxian Socialism in the
United States," in Socialism and Ameri-
can Life, edited by Donald D. Egbert and
Stow Persons ( Princeton, N.J.: Princeton University Press, 1952), Vol. I.
|Bittelman|| Alexander Bittelman, "History of the|
Communist Movement in America," in
Investigation of Communist Propaganda:
Hearings before a Special Committee to
Investigate Communist Activities in the
United States, Part V, Vol. 4, pp. 435-48
( Washington, D.C.: Government Printing Office, 1930).