Washington Area Spark: Terence Vincent Powderly: 1896
Washington Area Spark: Two leaders of the Knights of Labor: 1886 ca.
Washington Area Spark: Black labor leader on stage with white Governor: 1886
Washington Area Spark: Terrence Powderly House: 2016
Washington Area Spark: Terence Powderly & Mother Jones in Washington (3): 1909
Washington Area Spark: Terence Powderly & Mother Jones in Washington (2): 1909
Washington Area Spark: Terence Powderly & Mother Jones in Washington (1): 1909
Washington Area Spark: Labor leaders pose in Washington, D.C. - 1916
Washington Area Spark: Labor leader Terence Powderly: 1910 ca.