1903 * Trautmann, Wm. E., "The United Brewery Workers and Industrial Organization," American Labor Union Journal, Sept. 3, 1903.
1904 * Debs, E. V., "Unionism and Socialism." Wayland's Monthly, Girard, Kans., August, 1904, no. 52, pp. 2-44, pamphlet.
1905 * Debs, E. V., "The industrial convention," International Socialist Rev., vol. v, pp. 85-6, August, 1905.
* DeLeon, Daniel, "The preamble of the Industrial Workers of the World." Miners' Magazine, vol. vii, nos. 121-124, Oct. 19. 26; Nov. 2, 9, 1905.
Address delivered in Minneapolis, July 10, 1905. Published also in pamphlet form.
* Hagerty, "Father" Thomas J., "Reasons for Industrial Unionism," Voice of Labor, March, 1905.
Hamilton, Grant, "A story of 'funny' unionism," American Federationist, vol. xii, p. 137 (March, 1905). The American Labor Union from the A. F. of L. standpoint.
* Haywood, Wm. D., "Industrial Unionism," Voice of Labor, June, 1905.
* Simons, A. M., "Industrial Workers of the World," International Socialist Review, vol. vi, pp. 65-77, August, 1905.