{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Social Contract For Coal Fields: United Mine Workers Welfare & Retirement Funds","author_name":"Richard P. Mulcahy","thumbnail_url":"https://www.ebooknetworking.net/books/157/233/big1572331003.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1572331003.html\">Social Contract For Coal Fields: United Mine Workers Welfare &amp; Retirement Funds</a>","width":400,"height":300}