{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"History of labor in the United States Vols. 1 & 2: By John R. Commons,David J. Saposs, Helen L. Sumner, E.B. Mittelman, H.E. Hoagland, John B.Andrews, and Selig Perlman. With an introductory note by Henry W. Farnam.Vol. 3: Working conditions by Don D. Les","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002O5LHY2.html\">History of labor in the United States Vols. 1 &amp; 2: By John R. Commons,David J. Saposs, Helen L. Sumner, E.B. Mittelman, H.E. Hoagland, John B.Andrews, and Selig Perlman. With an introductory note by Henry W. Farnam.Vol. 3: Working conditions by Don D. Les</a>","width":400,"height":300}