{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Fact and Relevance: Essays on Historical Method","author_name":"M. M. Postan","thumbnail_url":"https://www.ebooknetworking.net/books/052/107/big0521077583.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521077583.html\">Fact and Relevance: Essays on Historical Method</a>","width":400,"height":300}