* Trautmann, Wm. E., "The Smashing Process Against Industrial Unionism and Socialism." Letter (dated at Cincinnati, June 17, 1905) in Weekly People, June 17, 1905, pp. 1, 2, 3. Open letter to the Brewery Workers and the working class.
1906 Conlon, P. J., "Went up like a rocket; came down like a stick," Machinists' Monthly Journal, vol. xviii, pp. 1108-1111 (December, 1906).
A trade-union obituary of the I. W. W. after its second convention.
"The [1906] Convention of the Industrial Workers at Chicago." Editorial, Miners' Magazine, Oct. 4, 1906, vol. viii, no. 171, pp. 6-7.
* Debs, E. V., "Industrial Unionism," Miners' Magazine, Jan. 25, 1906, pp. 8-12, vol. vii, no. 135. Reprinted from the Daily People. Also in International Socialist Review, August, 1910, vol. xi, p. 90.
O'Neill, Jno. M., "Our comment on the various reports of the [second] I. W. W. convention," Miners' Magazine, Nov. 8, 1906, pp. 6-9.
* St. John, V., "Vincent St. John on the [1906] I. W. W. Convention." (Letter to Editor), Miners' Magazine, Nov. 8, 1906, pp. 4-6, vol. viii, no. 176.
1906 * Simons, A. M., "Die Lage in den Vereinigten Staaten," Neue Zeit. 24 Jahrg. Bd. 1, Feb. 3, 1906, pp. 622-27.
1907 Currie, B. W., "How the West Dealt with the Industrial Workmen [sic] of the West," Harpers Weekly 51:908-10, June 22, 1907.