{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Letters of Alexander von Humboldt to Varnhagen von Ense: From 1827 to 1858","author_name":"Kapp, Friedrich","thumbnail_url":"https://www.ebooknetworking.net/books/395/738/big3957389895.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3957389895.html\">Letters of Alexander von Humboldt to Varnhagen von Ense: From 1827 to 1858</a>","width":400,"height":300}