13896. SOCIALISM AND COMMUNISM IN AMERICA. Traces the historical roots and rise of the American Socialist and Communist parties in the early 20th Century through the McCarthy era. Examines the parties' links with labor unions and radical politics. Traces the political and legal campaign against the parties, citing the influence of seminal cases such as Whitney v. California and Keyishian v. Board of Regents. 14 pages, 12 footnotes, 6 bibliographic references.