Jelley, S. M. (1888). The voice of labor: Containing special contributions by leading workingmen throughout the United States, with opinions of statesmen and legislators upon the great issues of the day. Plain talk by men of intellect on labor's rights, wrongs, remedies, and prospects (Rev. and enl.). Philadelphia, Chicago [etc.]: H.J. Smith & co..

Jelley, S. M. The Voice of Labor: Containing Special Contributions By Leading Workingmen Throughout the United States, With Opinions of Statesmen and Legislators Upon the Great Issues of the Day. Plain Talk By Men of Intellect On Labor's Rights, Wrongs, Remedies, and Prospects. Rev. and enl. Philadelphia, Chicago [etc.]: H.J. Smith & co., 1888.

Jelley, S. M. The Voice of Labor: Containing Special Contributions By Leading Workingmen Throughout the United States, With Opinions of Statesmen and Legislators Upon the Great Issues of the Day. Plain Talk By Men of Intellect On Labor's Rights, Wrongs, Remedies, and Prospects. Rev. and enl. Philadelphia, Chicago [etc.]: H.J. Smith & co., 1888.