There has been data (": Routledge Encyclopedias of the Middle Ages (Routledge Revivals: Routledge Encyclopedias of the Middle Ages) - ISBN-13 978-1-351-65936-9") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Thu Jan 2 07:33:16 2020, so the data displayed here has been removed .