Story Credits:

Author: Cathy Matson, University of Delaware, with contributions by Charles Hardy III and Steven Gimber, West Chester University; Dan Cupper; Thomas J. Misa, University of Minnesota; Susan Friedman and William Pencak, Penn State University; William Sisson, Curt Miner, and John Zwierzyna, Pennsylvania State Museum; John Kenly Smith, Jr., Lehigh University; and Dennis Downey, Millersville University.

Captions: Charles Hardy III, West Chester University, with the assistance of Cathy Matson and Marie Brown Wilson
Digital Rights, Image Research, and Image Galleries: Marie Brown Wilson with the assistance of Cathy Matson and Charles Hardy

Video:

Audio:

Lesson Plans:
Lesson Plan Coordinator: Carrie Iams

Elementary School: Mr. Coal's Story: An Appeal to End Child Labor, by Jeffery Nolt

Middle School: The Most Dangerous Woman in America? The Mock Trial of Mary Harris "Mother" Jones, by Maria Vita

High School: The Outrage of Ordinary Men: Pennsylvania's Role in the Great Railroad Strike of 1877, by Cynthia Greene

Acknowledgements:
Accessible Archives
Adams County Historical Society
Allegheny College Archives, Wayne and Sally Merrick Historic Archival Center, Pelletier Library, Allegheny College
American Antiquarian Society
American Catholic History Research Center and University Archives
American Treasures, Library of Congress
Anna Toth, Bobtown, Pa.
Atwater Kent Museum of Philadelphia
Bill Layne Wilson
Boyertown Museum of Historic Vehicles
Burpee Seed Company
Cable Center, Barco Library
Carnegie Library of Pittsburgh
Carnegie Museum of Art
Catholic University of America Archives
Coal & Coke Heritage Center, Penn State University Fayette Campus, Uniontown, PA.
Corbis-Bettmann
Daily Courier, Connellsville, PA
Drake Well Museum
Erie County Historical Society
Free Library of Philadelphia, Print and Picture Collection
Hagley Museum and Library
Hershey Community Archives
Historical Society of Pennsylvania
Historical Society of Western Pennsylvania
Indiana University of Pennsylvania, Special Collections and Archives
Indiana University of Pennsylvania, Archives Department, Rochester and Pittsburgh Coal Company Records
John Mosley Collection
Kheel Center Labor Photos, Cornell University
Lafayette University, Kirby Collection of Historical paintings
Lancaster County Historical Society
Landis Valley Farm Museum
Latrobe Area Historical Society, Latrobe, PA
Lehigh University
Lehigh Valley Heritage Museum
Library and Archives Division of The Historical Society of Western Pennsylvania
Library Company of Philadelphia
Library of Congress
Luzerne County Historical Society
Lycoming County Historical Society and The Thomas T. Taber Museum
Mack Trucks Historical Museum
Millersville University Archaeology Program
National Archives
National Archives, Dept. of Justice.
National Canal Museum
National Portrait Gallery, Smithsonian Institution
Newlin Grist Mill, Glen Mills, Pa.
NYPL digital gallery, New York Public Library
Pacific County Historical Society and Museum
Palmer Museum of Art, Pennsylvania State University
Pennsylvania Academy of the Fine Arts
Pennsylvania Department of Environmental Resources, photo by Steve Curcio
Pennsylvania Heritage Magazine Collections and Staff
Pennsylvania Historical and Museum Commission
Pennsylvania Rural Electric Association
Pennsylvania State Archives Collections and Staff
Pennsylvania State Museum Collections and Staff
Pennsylvania State University Museums, Libraries and Archives
Philadelphia Museum of Art
Railroad Museum of Pennsylvania
Reading Public Museum
Robert Shetterly and Americans Who Tell the Truth
Senator John Heinz History Center
State Museum of Pennsylvania
Temple University, Urban Archives, Philadelphia, Pa
Theodore R. Hazen
University of Pittsburgh, Archives and Labor Collection, Archives Service Center,
University of Pittsburgh, Archives Service Center
University of Pittsburgh, UE News Photograph Collection, Archives Service Center
Urban Archives, Temple University Libraries, Philadelphia
U.S. Army Corps of Engineers Digital Visual Library
Villanova University Archives, Villanova Pennsylvania
WITF, Inc. staff