* Ebert, Justus, "Modern Industrialism," series of articles running in Solidarity, August 12, 1911—Nov. 4, 1911.
* Foster, W. Z., "Syndicalism in Germany," Industrial Worker, September 14, 1911.
----, "Un grand effort des industrialistes. La lutte pour la liberté de parole à Spokane" (États-Unis). Vie Ouvrière, January, 1911, pp. 91-100.
* St. John, Vincent, "Fake industrial union versus real industrial union," Industrial Worker, Apr. 6, 1911.
* Williams, B. H., "Sixth I. W. W. Convention," International Socialist Review 12: 300-2, Nov., 1911.
1912 Bohn, W. E., "Development of the Industrial Workers of the World," Survey 28: 220-5, May 4, 1912.
Brooks, Jno. G., "The Shadow of Anarchy," "The Industrial Workers of the World," Survey, April 6, 1912, vol. xxviii, no. 1, pp. 80-2. Reprinted from (Boston) Evening Transcript, February 10, 1912.
Cannon, J. P., "The Seventh [1912] I. W. W. Convention," International Socialist Review 13: 424, Nov., 1912.
Duff, Hezekiah N., "The I. W. W.'s; What They are and What They are Trying to do," (illustrated), Square Deal 10: 297-310, May, 1912. (Intemperately conservative).
* Foster, W. Z., "Revolutionary Tactics," The Agitator, April 15, 1912, May 1, 1912, May 15, June 1, 15, and July 1, 1912. (Comprehensive discussion by a syndicalist writer.)