{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The coal miners' insecurity;: facts about irregularity of employment in the bituminous coal industry in the United States,","author_name":"Louis Bloch","thumbnail_url":"https://www.ebooknetworking.net/books/142/977/big1429774762.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1429774762.html\">The coal miners&#039; insecurity;: facts about irregularity of employment in the bituminous coal industry in the United States,</a>","width":400,"height":300}