{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Polish Coal Miners' Union and the German Labor Movement in the Ruhr, 1902-1934: National and Social Solidarity","author_name":"John Kulczycki","thumbnail_url":"https://www.ebooknetworking.net/books/185/973/big1859731589.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1859731589.html\">The Polish Coal Miners&#039; Union and the German Labor Movement in the Ruhr, 1902-1934: National and Social Solidarity</a>","width":400,"height":300}