{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Transactions of the Seventh International Congress of Hygiene and Demography, London, August, 10Th-17Th, 1891, Volume 4","author_name":"Anonymous","thumbnail_url":"https://www.ebooknetworking.net/books/114/100/big1141006944.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1141006944.html\">Transactions of the Seventh International Congress of Hygiene and Demography, London, August, 10Th-17Th, 1891, Volume 4</a>","width":400,"height":300}