{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Sarum Gradual And The Gregorian Antiphonale Missarum: A Dissertation And An Historical Index...","author_name":"Walter Howard Frere, Catholic Church, Plainsong and Mediaeval Music Society (Great Britain)","thumbnail_url":"https://www.ebooknetworking.net/books/B00/AWL/bigB00AWL7LHW.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00AWL7LHW.html\">The Sarum Gradual And The Gregorian Antiphonale Missarum: A Dissertation And An Historical Index...</a>","width":400,"height":300}