{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On Knowing--The Natural Sciences (Historical Studies of Urban America (Paperback))","author_name":"Richard P. McKeon","thumbnail_url":"https://www.ebooknetworking.net/books/022/656/big0226560279.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0226560279.html\">On Knowing--The Natural Sciences (Historical Studies of Urban America (Paperback))</a>","width":400,"height":300}