ISBN 0802778135 books & textbook
Quadrivium: The Four Classical Liberal Arts of Number, Geometry, Music, & Cosmology (Wooden Books)
Lundy, Miranda Ashton, Anthony Martineau, Jason Sutton, Daud
Bloomsbury USA /2010-11-01 Hardcover / 416 Pages
isbn-10: 0802778135 / isbn-13: 9780802778130
