References Detail back created at: 2018-01-05 Media Type: Article in Edited Volume Author Little, Charles T. Year: 2014 Title: A Romanesque walrus ivory bishop in New York Editors Caldwell, David H. & Hall, Mark A. Edited Volume Title: The Lewis Chessmen. New Perspectives Page No: 320-327 Printing Place: Edinburgh PublisherNational Museums Scotland ISBN: 978 1 905267 85 9 Keywords Time Period 1000 - 1500 AD European timeline Middle Ages Super Region Europe Class of Artefact gaming piece Theme technical style Material ivory / teeth Miscellaneous worked bone back