{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An Appraisal of the 1950 Census Income Data, Volume 23: Studies in Income and Wealth (National Bureau of Economic Research Publications)","author_name":"National Bureau of Economic Research","thumbnail_url":"https://www.ebooknetworking.net/books/069/165/big0691652708.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0691652708.html\">An Appraisal of the 1950 Census Income Data, Volume 23: Studies in Income and Wealth (National Bureau of Economic Research Publications)</a>","width":400,"height":300}