{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Slaveholders' Union: Slavery, Politics, and the Constitution in the Early American Republic","author_name":"George William Van Cleve","thumbnail_url":"https://www.ebooknetworking.net/books/022/684/big0226846709.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0226846709.html\">A Slaveholders&#039; Union: Slavery, Politics, and the Constitution in the Early American Republic</a>","width":400,"height":300}