{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Slavery and Freedom on the Middle Ground: Maryland During the Nineteenth Century (Yale Historical Publications Series)","author_name":"Barbara Jeanne Fields","thumbnail_url":"https://www.ebooknetworking.net/books/030/004/big0300040326.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0300040326.html\">Slavery and Freedom on the Middle Ground: Maryland During the Nineteenth Century (Yale Historical Publications Series)</a>","width":400,"height":300}