Lenz, Hugo, "The 'menace' of the I. W. W.," Labor Clarion (San Francisco), February 16, 1912, also in Solidarity, February 24, 1912.
"Menace of the I. W. W.," Houston Labor Journal, November 2, 1912, p. 1.
Randolph, H. S., "The I. W. W.," The Common Cause, vol. i, no. 5, May, 1912, pp. 1-9.
"The Real Menace to Unionism," Labor Digest (monthly), Minneapolis, Minn., April, 1912.
* Richter, H., "The I. W. W.: Retrospect and prospects," Industrial Union News, Jan., 1912.
Rosebury, A., "Industrialism the bugbear of society. The I. W. W. and its poverty of philosophy," Leather Workers Journal, October, 1912, pp. 42-3.
"Rumored Split in the Ranks of the Workers of the World. Rival Branches of the Organization in Chicago and Detroit Apparently at Each Other's Throats," Square Deal 11:65-8, August, 1912.
* Russell, Phillips, "The Strike at Little Falls," International Socialist Review 13:455-60, December, 1912.
Steffens, Lincoln, "The Labor Contract of the I. W. W.," Solidarity, April 6, 1912.
Stevens, F. B., "The I. W. W.—A World Menace to Civilization," Brooklyn Eagle, Sunday, April 28, 1912, magazine section, pp. 1, 2, illustrated.