Graebner, William, <br/><br/>
Coal-mining safety in the progressive period :  the political economy of reform / 
William Graebner. 
 - 1 online resource (257 pages) 
<br/><br/> "Published for the Organization of American Historians." 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780813163192 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal mines and mining--Safety measures--History.--United States
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>TN295  / .G56 1976eb 
<br/><br/><label>Dewey Class. No.: </label>622/.8