McEnnis, John T. The White Slaves of Free America, being an Account of the Sufferings, Privations and Hardships of the Weary Toilers in Our Great Cities as recently exposed by Neil Nelson, of the Chicago Times ... Chicago: R. S. Peale, 1888. 128 p.
Simonds, John T., and John T. McEnnis. The Story of Manual Labor in All Lands and Ages: Its Past Condition, Present Progress, and Hope for the Future. The Lights and Shadows of History in Contrast. A Complete Pen- Picture of the Wage-Worker, from a Social, Political and Economical Standpoint. Together with an Account of the Unions, Guilds, and Associations, Organized for His Benefit and Protection. With an Introduction by T. V. Powderly, Grand Master Workman, Knights of Labor. Illustrated with Portraits and Colored Diagrams. Chicago: R. S. Peale, MDCCCLXXXVI. 715 p.